3. 25. Open the processor cover by sliding the release lever from under the center cover latch on the socket. Table 1. 00 mm (11. Integrated Graphics. DELL™ OPTIPLEX™ 960 TECHNICAL GUIDE . ''OptiPlex XE The Purpose-Built Dell™ OptiPlex™ XE delivers reliable, around-the-clock performance for challenging conditions in addition to featuring simple remote management and high stability. 2: Dell Technologies OptiPlex 755. Work in comfort and in style with a sleek design, built-in intelligent collaboration & security features, plus a pop-up EMZA webcam with optional User Presence Detection. Note regarding operating systems not listed above: Dell may not support an operating system for various reasons, including discontinued support from the software vendor, lack of availability with certain products. Crucial's site has you enter the PC model. More speed with little fuss: Installing and testing RAM modulesOptiPlex 755. Bus Speed - FSB Speed - 800 MHzHello, i have a dell optiplex 755 desktop and i just installed a new SSD to it and wish to install windows 7 64bit ultimate to it. By running the Dir command, I see the 0755-A22. PIM product data: DELL OptiPlex 760 E8400 Mini Tower Intel® Core™2 Duo 4 GB DDR2-SDRAM 250 GB Windows Vista Business PC Black M11770M102NLS PCs/Workstations, compare, review, comparison, specifications, price, brochure, catalog, product information, content syndication, product info, product data, datasheetHowever, after many claimed successful use of 4GB, Dell actually changed the spec in the manual to 4GB. This does not represent a teardown of an entire finished product (desktop system in this case), but rather a 'motherboard-only' analysis of the USFF (ultra-small form-factor) motherboard from a Dell OptiPlex 755 system. 4. Open case, remove battery for at least 5 minutes. Thanks to Dell’s innovative approach to scalable remote client management, the OptiPlex 755 offers you a choice between several systems-management options. Memory Type & Info. 07-12-2021 10:00 AM. 4 GHz CPU Socket Type - LGA 775/Socket T Multi-Core Technology - Dual-Core TDP - 95 W Cache Memory Installed Size - 4 MB Type - Advanced Transfer Cache. . 0 Firmware update utility. 6 Sustainable Materials 60% The Dell OptiPlex 755 gives you advanced security options to help keep your data secure real-time. Documentation. Due to its very small size, it features a fewer number of ports than on other OptiPlex 780 form factors. OptiPlex 5060 Small Form Factor. It will run the "DOS" non GUI portion but the GUI will crash and go no further. The CPU-Z program would tell you how fast it is or isn't running. 33 GHz, 6 MB Cache. Table 1: Technical specifications of Dell OptiPlex 7000 Desktops. The upgraded system was a Dell 755 MT. The OptiPlex 755 supports the Intel Core 2 Quad, Intel Core2 Duo, Intel Pentium dual-core, Intel Celeron processors based on Intel's 775-pin (LGA775) socket. 20 mm (11. Buy Kingston Dell OptiPlex 755 DT/MT/SFF Desktop Memory RAM & SSD upgrades. Kingston high quality Dell OptiPlex 755 DT/MT/SFF Desktop upgrades. Dell Optiplex 755 Graphics Card Upgrade. The OptiPlex 755 offers energy-efficient performance, stability and choice. Page 262 4 Remove the heat sink: Press the release lever on the retention base until the heat sink is released. 1 Message. The My Computer properties show 3. cmariategui. Starting at $669. stockmike . Dell Optiplex 780. 03-05-2012 12:00 PM. Intel Core2 Duo. The Dell OptiPlex 755 offers enhanced management and control with Intel® vPro™ processor technology, allowing IT staff excellent flexibility, high efficiency and reduced. 19 Posts. 25-inch drive bay 2 5. robust MainstrEaM DEsktop DEsignED to MEEt your nEEDs , now anD in thE futurE The new Dell OptiPlex 755 offers a compelling, versatile solution that can help you meet evolving business needs with the right technologies and services. Desktop/Workstation RAM upgrade » OptiPlex 755 by Dell. Specs: Pentium 4 cpu. 30GHz, 3M Cache, LGA1155 Would I have to change anything. El Post sigue abierto para que también otro usuario pueda contestar. And because we know data security is a vital concern, the OptiPlex 755 offers optional RAID 1 support for real-time data-mirroring protection. OptiPlex 5055 Tower and Small Form Factor 1 Offering may vary by region. Memory: 1 GB, 2 GB, 3 GB, or 8 GB 800 MHz DDR2, 2 DIMM slots. Are you looking for the user's guide of your OptiPlex 755 desktop computer? Download this PDF file to learn how to set up, use, troubleshoot, and maintain your device. If you're not sure how to find RAM that matches your PC, "Optiplex 755 RAM" is an example of a search term. 60 GHz, 4 MB L2 Cache or 1-core intel Pentium 4 531, 3. M. The Dell Client Energy Savings Calculator. OptiPlex 5060 Tower. Plus, it packs one of the best. . Intel Dual Core Processor. Try resetting the CMOS again. 0. Expansion Slots: PCI Express x16 / PCI Express x1 / 2 PCI. AMD Radeon HD 2400 Pro. Dell Optiplex 740 755 760 780 790 960 990 Full & Slim VGA Video Card (1) 1 product ratings - Dell Optiplex 740 755 760 780 790 960 990 Full & Slim VGA Video Card. 99. Likewise, if your OptiPlex requires a Y-adapter, plug the single connection end of the Y-adapter into the VGA port, and plug the monitor's VGA cable into one of the two VGA ports on the adapter. 745/755/760 USFF use proprietary 8 pin external AC adapter. My PC can not fit regular size cards so I am looking for low profile graphic card like the one I am currently using. If you put 2 sticks 800MHz in your 745, then a stick with 667MHz, the system will operate all the RAM at 667MHz. Description Values. OptiPlex XE The Purpose-Built Dell™ OptiPlex™ XE delivers reliable, around-the-clock performance for challenging conditions in addition to featuring simple remote management and high stability. Dell Cloud Desktop diskless solution enable to secure data in a central location, eliminating risk of loss and help prevent theft of Re: Dell Optiplex 755; picky with memory Mixing RAM brands/specs commonly results in problems. /5488, Latitude 7480, Latitude 5580, Latitude E5270, Latitude E5470, Latitude E5570, Latitude E7270, Latitude E7470, OptiPlex 3050 All-In-One, OptiPlex 3050 Tower, OptiPlex 3050 Micro , OptiPlex 3050 Small Form Factor ,. While I have been unsuccessful in getting an LGA 771 Xeon CPU to be compatible with in a Dell Optiplex 755--with the use of LGA 775-to-771 adapter. 93 GHz), 3GB DDR3 RAM, 320GB SATA II HDD, GMA4500, DVD-RW, Windows 7 Professional, compare, review,. What can we help you to find. With 1GB GPU= 4GB RAM. • Bus: PCI-Express x16 (Support PCI-Express 2. For Dell OptiPlex 755 8GB 4x 2GB DDR2 PC6400 PC2-6400 800 Mhz DESKTOP MEMORY RAM. Dell OptiPlex 755 User's Guide Publish date: 20 APR. I have this problem too (0) Reply. Specs: DDR2 PC2-8500 • CL=7 • Unbuffered • NON-ECC • DDR2-1066 • 1. Optiplex XE3. DEtaiLED EnginEEring spEcifications System Dimensions (Physical) 26 System Level Environmental and Operating Conditions 27 Power 28 Audio 29 Hard Drives 30 Optical. View PDF. What can we help you to find. With 1333FSB Likely the ram will clock down to 800MHZ aka PC2 6400. Example: Refurbished HP EliteDesk 800 G1-T Desktop PC with Intel Core i7-4770 Processor, 16GB Memory, 500GB. 1/10/Linux The ASUS GT740-2GD3-CSM 2GB is a 75W card so it does not need an AUX power connection and works fine with 305W Tower power supply. HD 2400XT 256MB Radeon 9250 256MB. The Optiplex 755 if you have the latest BIOS from Dell supports E0 stepping CPUs. LXun Upgraded New L305P-03 305W Power Supply Replacement PSU Compatible with Dell Optiplex 740 745 755 760 780 960 980 MT Mini-Tower M177R H305P-02 PS-6311-5DF-LF. Zobrazit více. Advanced Search; Global Parts Search;. power cord from wall And also "simultaneously" at the same time remove the CMOS CR2032 battery And please check the Dell specifications I paste link below to more. ATI RADEON HD5450/6350. My own Optiplex 755 came equipped with a Q9550, 2GB PC6400 and an ATi Radeon HD 2400XT. OptiPlex 755のセットアップガイドをPDFで入手しましょう。このガイドでは、コンピュータの機能、設定、および交換可能ユニットの取り外し方法について詳しく説明しています。Dellのサポートサイトからも、ドライバー、マニュアル、サービスイベントなどの情報を確認できます。OptiPlex 755を. When I bought this machine. Optiplex 380 Tech Guide . 07-01-2013 05:00 AM. display Full HD (1920X1080) Compare. Boot order is 1st: CD/DVDEverything 2:SATA HD 3-end user's choice. 4. 66 GHz, 4 MB L2 Cache or Up to 2-core Intel Pentium D 960, 3. Chipset Intel® Q65 Express Chipset Operating System Options Microsoft® Windows 7® Home Basic (32/ 64 bit),Microsoft® Windows 7 ® Home Premium (32/64 bit), Microsoft® Windows 7 Professional (32/64 bit), Microsoft® Windows 7®. Publish date: 20 APR. Smart solutions. Dell Optiplex 755 specs. Get drivers and downloads for your Dell OptiPlex 755. 40 GHz, 8 MB L2 Cache or 2-core Intel Core 2 T7500, 2. Memory: Up to 16 GB DDR3 1333 MHz Non-ECC SDRAM, 4 DIMM slots. (42) 42 product ratings - Crucial 2GB PC2-6400 DDR2 800 DIMM Desktop Memory For Dell OptiPlex 740 745 755. 0 GB Windows XP Home, Intel Graphics Media Accelerator 3100 32 MB DDR 256 MB (shared). Philip and friends - Slowly but surely -. com . File Name: O755-A04. The Dell OptiPlex 755 is a desktop computer that was released in the mid-2000s. m. In May 2011, for example, when the OptiPlex 790 shipped, we stopped buying the OptiPlex 780. 23. 65 in. Product Support Supported Operating Systems Supported Operating Systems Your OptiPlex 755 supports these operating systems: Change Product BIOS Windows Vista,. View More Recommended. Powerful performance. Buy some contact cleaner and spray the RAM contacts as these. Dell Optiplex 755 Adding second hard drive. 3 cm (13. 4 cm (4. Radeon HD 7730 -- an even more cut-down version of the same chip that powers the Radeon HD 7770 and 7750. Starting at CAD $599. Get drivers and downloads for your Dell OptiPlex 755. ) Depth 292. OptiPlex 755 desktop pdf manual download. Ram - 4 gb DDR2 . OptiPlex 7060 Small Form Factor. Puede ver la información que le comento en la página 81 y 105 de la Guía del usuario de Dell OptiPlex 755 . 5" SATA Hard Drive Western Digital WD1600AAJS) to have more space available since I think the stock 75GB isn't enough for me. Download and install the latest drivers, firmware and software. Gracias, probare y si no pondre mas memorias iguales de 1 Gb en cada ranura. You can identify the OptiPlex 755 by looking for the Dell logo on the front or side of the device. If a 256 GB SSD limit seems strange as it's not "250 GB," that's straight from the spec. 66Ghz. I OWN A DELL OPTIPLEX 755 SFF AND MINI-TOWER AND BOTH ARE FULLY USING 16GB OF RAM. Apr 22, 2009 43,160 4091. Service and Support. I am thinking of upgrading the ram to like 8gb or 16gb and getting an ssd , but im having a hard time figuring out the CPU to get. Beyond just RAID support, the system offers proactive security features from vPro, and advanced remote management capabilities. This guide covers topics such as features, specifications, security, software, and warranty. Optiplex 755 specs: Old system specs: C2D 6850 P4 HT 3GHz (actually 2. 21 (40%) Specs. Everything you ever wanted to know about the Dell OptiPlex 755 Tower Core 2 Duo 3 GHz - HDD 1 TB RAM 4GB. Ultimate commercial Tower and Small Form Factor. System Dimensions (Physical) 17 : System Board Connector Maximum Allowable Dimensions . 0GM819 (CPU) Graphics Acer V173 (1280x1024@60Hz) Intel Q35 Express Chipset Family (Dell) Intel Q35. Căutați informații de asistență pentru OptiPlex 755 Găsiți articole, manuale și multe altele pentru a vă ajuta să asigurați asistență pentru produs. OptiPlex 990 OptiPlex 990 Technical Specifications Processors1 Intel® 2nd Generation Core™ i7, i5, i3 Processors. 250 gb. Square Wave, or quasi-Square Wave (see UPS technical specifications). Dimensions and weight. Thanks to Dell’s innovative approach to scalable remote client management, the OptiPlex 755 offers you a choice between several systems-management options. 00. ATI RADEON HD5450/6350. 80GB Seagate Hard Drive (will be upgraded) 280 watts PSU. 00GB Dual-Channel DDR2 @ 398MHz (6-6-6-18) Motherboard Dell Inc. When I boot into it I get the C: prompt. 3. 0. Design 1st OptiPlex was the first Dell product made with recycled materials in 2007. Hello, I have an Optiplex 755, desktop, not the mini tower version. If you had the USFF, the max total RAM is 4GB. 06-11-2023 15:07 PM. Energy-Conscious Features: The OptiPlex 780 offers Dell Energy Smart power settings and optional high-efficiency power supplies on select configurations. 20 GHz, 2 MB cache or 2-core Intel Celeron Processor, 1. Free up your workspace with this ultra-compact desktop, featuring optional single-cable type-C power delivery and versatile mounting options. Dell OptiPlex 5060 SFF is a Small form factor computer. Only one thing changes RAM speed. 5 GB available to the user) is just impossible; many. Search Product. Be sure to update BIOS before you update your other stuff. Currently installed with 4 GB (2 x 2GB modules). Amazon. Desktop Computer (Model # DCNE) Specifications. Lay the heat sink down on its top, with the thermal grease facing upward. OptiPlex Desktops & All-in-Ones. | support. We make it easy to deploy, monitor and update your OptiPlex fleet. Top Solutions. The update contains changes to maintain overall system health. Installing Windows 11 and Windows 10 from the ISO. 91 Reviews. Table 1. . Thanks to Dells innovative approach to scalable remote client management, the. 10 GHz, 3 MB Cache, or up to 4-core Intel Core i7-2600, 3. Add to Cart. Get drivers and downloads for your Dell OptiPlex 755. Specifications of OptiPlex 5000 Tower. 8 Wizard. 17 R2, fans not working. I'm unsure if your motherboard is capable of overclocking, but most likely, it is. 18 :Intel Q35 CPU compatibility list. 5Gb/s: 80GBHi I got a dell optiplex 755 I was wondering what is the best Core 2 duo Processor . You Save $799. com . Here is the CPU I was looking at Intel Core i3-2120 SR05Y CPU Processor, 3. Dimensions and weight . System Model OptiPlex 755. 65 in. Original Equipment Manufacturers and Retailers alike can confidently rely on Dell’s OptiPlex XE desktop quality to embed into their brand of business. This is just a guess though I am not Dell engineering and I don't have a Cpu to test. Specifications of OptiPlex 5000 Small Form Factor. If you had the USFF, the max total RAM is 4GB. 33 GHz, 6 MB Cache, or up to 4-core Intel Core 2 Quad Q9650, 3. 4. The systems typically contain Intel CPUs, beginning with Celeron and Pentium and currently with the Core microarchitecture. They’ve transitioned through various CPUs, chipsets, and RAM configurations, adapting to the changing tech. The standard-sized hard drive and optical drive bays can accept any type of SATA drive, so you can repair and upgrade these components easily. see it will turn off. Crucial Memory and SSD upgrades - 100% Compatibility Guaranteed for Dell OptiPlex 755 Series (Desktop Mini-Tower and Small Form Factor) - FREE US Delivery. Gracias por suscribirse a mi canal, gracias muchas gracias. 0. . 32 sold. display Full HD (1920X1080) Compare. User Guide - DellThe OptiPlex 755 costs about the same as the HP dc7800, which has a faster processor but only 1GB of RAM and a smaller, single 80GB hard drive. 04 and it worked really nice RAM upgraded to 2Gb,then 4Gb as a test Video upgraded by using an AGP video card 256Mb,3D (Unity,Cube3D works fine) HD 1 TbDell OpenManage Client Instrumentation . 4 Sustainable Materials 60%It does not exceed the 75W PCI-E power spec, so does not need any additional power connectors and will definitely not overload the PSU. 5. The new Dell OptiPlex 755 offers a compelling, versatile solution that can help you meet evolving business needs with the right technologies and services. OptiPlex Desktop Computers - OptiPlex business desktop computers offer space-saving features, advanced security, manageability and are a choice for everyday commercial. 66ghz (socket: LGA755) Memory: 4 Gigs or DDR2. Mini-Tower -Desktop -Small Form Factor -Ultra Small Form Factor Processors: -Intel® CoreTM 2 Duo Processor Dual Core Technology. View PDF. This is the reason you benefit from a minimum 1-year warranty with the purchase of a refurbished device at Back Market. Submit Search. Prices and specifications: Prices and specifications are correct at date of publication but subject to availability or change without notice. 8 Wizard. 8GHz Intel Celeron 430 n/a Serial ATA RAID, Ultra ATA/100 PCI/PCI Express 16x 80. $19. Height - 324. Operating System: Windows 8. Beyond just RAID support, the system offers proactive security features from vPro, and advanced remote management capabilities. 0 connectors (2) 5 LAN indicator light 6 diagnostic lights 7 power button 8 power light 9 hard drive activity light 10 headphone connector 11 microphone connector Mini towEr coMputEr (Mt) viEw back view 1 card. For 4GB, the best option is a 2x2GB matched pair, but the Mobo may not except 2GB RAM sticks. unfortunately not possible if you want to use the 755 MT case which is BTX and only accommodates BTX motherboard. 5″ 7200 RPM SATA HDD, or up to 500 GB Opal SED SSHD, or 128 GB SSD. for the 745 and 755 SFF. unfortunately not possible if you want to use the 755 MT case which is BTX and only accommodates BTX motherboard. Height 324. Publish date: 01 JUN 2006. Summary: This article describes M. 8GHz Intel Celeron 430 n/a Serial ATA. Core2 Quad Q6600 Intel $100 Bench 42%, 59,658 samples. It's on the list here. CPU Intel Core i7 3770 @ 3. dell. Follow the steps below to install Windows using the Dell installation media: Insert the USB you created using the Dell Windows Recovery Image. ram 4gb . Product Safety II. 80 GHz, 2 MB cache. CPU. • Dell System Software R282538 • Chipset R302424*. Processor: Up to 4-core Intel Core 2 Quad Q9650, 3. So I'm wondering if I need a new power supply or additional data and/or power cables. 4: SEE FANS spin for 1 second , is very very common. #7 by Tesla1856 I believe is referring to: There is no 256 GB SSD limit listed for the Optiplex 755, as the manual doesn't refer to any SSD's or capacities. • Long-range planning support with a targeted 15-month lifecycle, stable images, globally available configurations and managed transitions • Dell Client Manager helps make OptiPlex easy to own and Optiplex 755 the video viewer plays all 4 cameras fine until I move the cursor or click over the viewer, then I pauses momentarily and then continues playing. upgrading RAM on OptiPlex 755 with 0GM819 motherboard. minitower or largest formThis motherboard (DP/N= PU052 rev A01) has quad support. Publish date: 20 APR. $17. cpu for 755 is core 2 duo and may upgrade to core 2 quad depending on motherboard Dell DP/N. An OptiPlex All in One has a screen however and generally OptiPlex Q S GV represents a 2S " screen for example the OptiPlex 7 4 90 has a 2 4 " screen. dzi Dell OpenManage Client Instrumentation mo *na znale (ü w przewodniku Dell OpenManage Client Instrumentation User's Guide (Przewodnik u*ytkownika narz dzi Dell OpenManage Client Instrumentation) dost pnym w witrynie pomocy technicznej firmy Dell pod adresem support. Dell Optiplex 755 Motherboard PU052. This guide covers topics such as features, specifications, security, software, and warranty. OptiPlex 755のセットアップガイドをPDFで入手しましょう。このガイドでは、コンピュータの機能、設定、および交換可能ユニットの取り外し方法について詳しく説明しています。Dellのサポートサイトからも、ドライバー、マニュアル、サービスイベントなどの情報を確認できます。OptiPlex 755を. PRODUCT: OptiPlex™ 755, OptiPlex™ 755n Small Form Factor Dell Inc. In addition, Dell continues to expand our Deployment Services — now featuring ImageDirect, a web-based tool that can enable you to build and apply custom images for current and future systems. System Model: OptiPlex 755. Wyse thin client technology provides industry leading cloud computing solutions. Replace battery, reconnect AC power cable. 5: wait 15minutes, this further discharges huge capacitors inside. View PDF. Download and install the latest drivers, firmware and software. Intel (R) Core 2 Duo CPU. The line includes four unique designs: a large “Desktop” computer, a slightly thinner “Mini-Tower” style, a “Small Form Factor” (SFF) size, and a tiny “Ultra Small Form Factor” (USFF) design. Dell Optiplex 380. 5 Sustainable. 25-inch drive bay 3 3. Datum vydání: 20 DUB 2008. A peppy CPU and dedicated GeForce graphics power the 4K display of the Dell OptiPlex 7760 All-in-One, a flexible business desktop for designers and creative types. Where to buy. OptiPlex 3060 Desktop. Offers limited to 5 systems per customer per day. 13th Gen Intel® Core™ i5-13500 Windows 11 Pro Intel® Integrated Graphics 16 GB DDR5 256 GB SSD 23. ) Rear height 290. Dell Optiplex 755 SFF Intel Pentium Dual E2160 1. At the technical guide (thank's for link to SpeedStep) I didn't find any information about supported max bus clock (MHz) of RAM. OptiPlex 755 User's Guide - iAMT. RAM - 6GB DDR2. 8GB (1X8GB) Up to 3200MHz DDR4 SoDIMM Non-ECC. 18-05-2014 10:00 AM. dell. Dell OpenManage Client Instrumentation User's Guide (ø $ ' # Dell OpenManage Client Instrumentation), - Dell : support. For example, on my previous 755, I had to update to A11, then A19 (if I remember right), before getting to A22 BIOS. Desktops & Workstations. Here are My PC Specs. Restart your computer and tap the F12 key on your keyboard when you see the Dell logo. With up to 8 cores, and 16 threads of processing power, you can take advantage of breakthrough responsiveness for all your business. Download the PDF file and follow the instructions for installing hardware, software,. Beyond just RAID support, the system offers proactive security features from vPro, and advanced remote management capabilities. Officially, (according to the Dell Technical Guide Book for the Optiplex GX 755) the max CPU and RAM are: Intel Core 2 Quad Q6700 Processor (2. DEtaiLED EnginEEring spEcifications System Dimensions (Physical) 26 System Level Environmental and Operating Conditions 27 Power 28 Audio 29 Hard Drives 30 Optical Drives 34 BIOS Defaults 38 chassis EncLosurE anD vEntiLation rEquirEMEnts 41 rEguLatory coMpLiancE anD EnvironMEntaL Acoustic Noise Emission Information 42 The Dell OptiPlex 755 gives you advanced security options to help keep your data secure real-time. Special Shipping from United States. Over 2 years experience on this forum. 60 mm (3. 5-inch drive bay 4 USB 2. Top Solutions. The boot menu that is shown in Figure 1 [English Only]. The stylish new. Processor: 2-core Intel Core i3-2100, 3. The Optiplex 755 was released in 2008, it is still considered as one of the most cost-effective computer solutions for basic business tasks at the office. 33GHz . The specs are as listed below: Brand - Intel Processor Model - Pentium D 945 Clock Speed - 3. Dell provides technology solutions, services & support. If your computer model is not listed, Dell is not testing the device, and drivers have not been updated for that model. Dimensions and weight. 275w power supply. The Dell Optiplex computers are known as business grad models that are power efficient, have great encryption and data protection. Backed by a lifetime warranty Kingston memory. Dell OptiPlex 170L Specifications. Product Specifications Upgrade your computer with DDR2 667MHz memory - the quickest, easiest way to boost performance and speed! Adding extra memory is one of the most cost-effective ways to. 2008. 21st if you order now & choose one-day shipping. The OptiPlex 755 is an energy-efficient desktop computer designed for businesses. India. I would like to upgrade my card to something that will work in Windows 10. 0Gb/s • 540 MB/s Read, 500 MB/s Write. Deals. Some items may be. 0GHz 4GB 160GB Windows Pro. Feature: DDR2 PC2-8500. 10 A22. 0 connectors (2) 5 LAN indicator light 6 diagnostic lights 7 power button 8 power light 9 hard drive activity light 10 headphone connector 11 microphone connector Mini towEr coMputEr (Mt) viEw back view 1 card. to be removed and a D Series Floppy Drive put in its place. These have Dell extra features like ambient temperature sensors, and 4 led diagnostic displays. good day! I have a DELL optiplex 755 SFF PC. NH429 MH596 P9550 F5114 U9087 X9072. OptiPlex 755 User's Guide - iAMT. The motherboard is using the Q370 chipset and supports 8th gen Intel Core processor, and 64GB of DIMM DDR4-2400/2666 memory. Optiplex 745. Make sure your motherboard can support it. Re: Dell Optiplex 755; picky with memory Mixing RAM brands/specs commonly results in problems. 5-inch drive bay 4 USB 2. Dell OptiPlex 755 User's Guide Publish date: 20 APR 2008. OptiPlex 755 User's Guide - iAMT. Find the service tag (a seven digit code of letters and numbers) written on a sticker on the back or. Motherboard: you'll need to upgrade your motherboard to support newer hardware. | support.