The Best Dell Optiplex 390 of 2025 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Dell Optiplex 390 of 2025. Check our ranking below.
2,519 Reviews Scanned
Rank No. #1
S-Union 240W Power Supply Unit Replacement for Dell OptiPlex 390 790 960 990 3010 9010 Small Form Factor System SFF H240AS-00 H240AS-01 H240ES-00 D240ES-00 AC240AS-00 AC240ES-00 L240AS-00 PH3C2
- ✅【Compatible Model 】Compatible with Dell OptiPlex 7010 3010 9010 390 790 960 990 SFF Small Form Factor Systems Only（Note:This Power Supply does not work for Dell Mt Mini Tower Systems,DT Desktop System, USFF Ultra Small Form Factor Systems)
- ✅【Compatible Part Number】This dell optiplex 790 power supply is Compatible with 3WN11 709MT 592JG 66VFV CCCVC RV1C4 J50TW 2TXYM
- ✅【Compatible Model Number】This optiplex 7010 power supply is compatiable with H240AS-00, H240AS-01,H240ES-00, H240ES-01,AC240AS-00, AC240AS-01,L240AS-00, L240AS-01,AC240ES-00,AC240ES-01, D240ES-00, D240ES-01, DPS-240WB
- ✅ 【Quality】 All Power Supply Are Tested Before Shipping. And we supply 18 months worry-free warranty. For any reasons you're not completely satisfied, you can ask for a replacement or full_ refund..
- ✅【What You Get】A Desktop Power Supply Unit (240W). Note: P1 Cable is about 3'' long, not 12.5''
Rank No. #2
POINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11 240W Optiplex 7010 SFF Power Supply for Dell Optiplex 390 790 960 990 3010 9010 Small Form Factor Systems CCCVC 3RK5T ac240as-00 D240ES-00
- Compatible Model: Dell OptiPlex 390 790 760 990 3010 7010 9010 Small Form Factor (SFF) Systems Only [Note:Please Make sure that only applicable to Small Form Factor (SFF) ,not to MT/DT/USFF.]
- Compatible Model Number: L240ES-00 L240AS-00 L240AS-00 AC240AS-00 AC240AS-01 AC240ES-00 AC240ES-01 D240ES-00 D240AS-00 DPS-240WB H240ES-00 H240ES-01 H240AS-00 H240AS-00 H240AS-01
- Compatible Part Number:3WN11 709MT CCCVC 3RK5T 2TXYM F79TD RV1C4 JNPVV 1GC38 CV7D3 66VFV VMRD2 VMRD2 3YKG5 592JG J50TW
- Stringent Testing: Our commitment to quality is unwavering. Every unit undergoes high and low voltage tests, aging tests, load testing (power, voltage, and current), short-circuit protection tests, and professional equipment auto-testing with Chroma equipment. This ensures the utmost reliability and safety.
- Effortless Installation: You don't need to be a tech expert to upgrade your power supply. With just three simple steps, you can replace your old unit and enhance your entire system's stability and lifespan, reducing the premature disposal of computer equipment.
Rank No. #3
Dell OptiPlex 7070 SFF Desktop Computer PC, Intel 8 Core i7-9700 3.0GHz up to 4.70GHz,32GB DDR4 Ram New 1TB NVMe M.2 SSD,AX210 Built-in WiFi 6E,Windows 11 Pro, Wireless Keyboard & Mouse (Renewed)
- Powerful 9th Gen Processor - The Dell OptiPlex 7070 desktop computer driven by the Intel 8 Core 9th generation i7-9700 processor upto 4.70 Ghz for efficient multitasking.
- Microsoft Windows 11 Pro - This Dell small form factor desktop is Pre-installed with the Windows 11 Professional operating system,Microsoft has re-imagined how the PC should work for you and with you. This Windows 11 desktop computer is redefining productivity.
- Multitask Smoothly - The Dell OptiPlex is equipped with a blazing fast New 1TB M.2 NVMe SSD to store important files and applications, support faster Boot speed and faster storage rates.
- High Performance Office Desktop- The business desktop computer is a solid workstation that is suitable for both home and business computing. The roomy desktop tower case allows for future expansion making it a great fit for an office PC.
- Rich Ports - This Dell OptiPlex Computer with 5 x USB 3.1 ports,4 x USB 2.0 ports, 2 x display ports,which support for two displays. Also wireless keyboard & mouse.
Rank No. #4
S-Union Upgraded New 240W Power Supply Unit Compatible with Dell OptiPlex 790 7010 390 960 990 3010 9010 SFF H240AS-00 H240AS-01 H240ES-00 D240ES-00 AC240ES-00 L240AS-00 PH3C2
- ✅【Compatible Model 】Compatible with Dell OptiPlex 7010 3010 9010 390 790 960 990 SFF Small Form Factor Systems Only（Note:This Power Supply does not work for Dell Mt Mini Tower Systems,DT Desktop System, USFF Ultra Small Form Factor Systems)
- ✅【Compatible Part Number】This dell optiplex 790 power supply is Compatible with 3WN11 709MT 592JG 66VFV CCCVC RV1C4 J50TW 2TXYM
- ✅【Compatible Model Number】This optiplex 7010 power supply is compatiable with H240AS-00, H240AS-01,H240ES-00, H240ES-01,AC240AS-00, AC240AS-01,L240AS-00, L240AS-01,AC240ES-00,AC240ES-01, D240ES-00, D240ES-01, DPS-240WB. Please check the Model Number before purchasing.
- ✅ 【Quality】 All Power Supply Are Tested Before Shipping. Each unit H240AS-00 240W Power Supply is tested by high and low voltage test, aging test, load test (power, voltage, current), short circuit protection test and automatic detection of professional equipment. This ensures maximum reliability and safety.
- ✅【What You Get】A Desktop Power Supply Unit (240W). Note: P1 Cable is about 3'' long, not 12.5''
Rank No. #5
F250AD-00 D250AD-00 250W Power Supply Compatible with Dell Optiplex 390 790 990 3010 Inspiron 537s 540s 545s 546s 560s 570s 580s Vostro 200s 220s 230s 400s Studio 540s Slim Desktop DT Systems
- Compatible Model: Compatible with Dell OptiPlex 390 790 990 3010, Inspiron 537s 540s 545s 546s 560s 570s 580s, Vostro 200s 220s 230s 400s, Studio 540s 537s 560s Slim Desktop DT Systems（Note:This Power Supply does not work for Dell Mt Mini Tower Systems, USFF Ultra Small Form Factor Systems)
- Compatible Part Number: W208D, W209D, W210D, WX9P8, X3KJ8, XFWXR, CYY97, HY6D2, YJ1JT, MPX3V, PWJ55, T498G, FY9H3, NCYVN, G4V10, 375CN, 3WFNF, 5FFR5, 6MVJH, 7GC81, 76VCK
- Compatible Model Number: F250AD-00, F250ED-00, L250PS-00, L250NS-00, PS-5251-5, PS-5251-06, PS-5251-08D, H250AD-00, H250ED-00, AC250PS-00, AC250NS-00, D250AD-00, D250A1005L, D250ED-00, D250AD-01, D250ED-01, D250E006L
- Connectors: P1 - 24-Pin ATX Power, P2 - 4-Pin ATX Power, P3 - SATA Power*3
- Input/Output: AC Input(50-60Hz): 100-240V~/4.4A. DC Output: Max Output 250W.
Rank No. #6
H240AS-00 L240AS-00 2TXYM 3WN11 H240AS-01 240W Optiplex 7010 SFF Power Supply for Dell Optiplex 390 790 960 990 3010 9010 Small Form Factor Systems 3RK5T ac240as-00 D240ES-00 Dell Power Supply
- For Dell OptiPlex 390 790 760 990 3010 7010 9010 Small Form Factor (SFF) Systems Only [Note:Please Make sure that only applicable to Small Form Factor (SFF)
- L240ES-00 L240AS-00 L240AS-00 AC240AS-00 AC240AS-01 AC240ES-00 AC240ES-01 D240ES-00 D240AS-00 DPS-240WB H240ES-00 H240ES-01 H240AS-00 H240AS-00 H240AS-01
- 3WN11 709MT 3RK5T 2TXYM F79TD RV1C4 1GC38 CV7D3 66VFV 3YKG5 592JG J50TW
- Dell 240W Watt 3WN11 H240AS-00 2TXYM 709MT Power Supply Unit
Rank No. #7
A-Tech 16GB Kit (2x8GB) RAM for Dell OptiPlex 9010, 7010, 3010, 990, 790, 390 (USFF/SFF/MT/DT) | DDR3 1333 MHz DIMM PC3-10600 UDIMM Memory Upgrade
- High Performance A-Tech RAM Memory Upgrade
- Compatible for Dell OptiPlex Models: 9010, 7010, 3010, 990, 790, 390 - Desktop (DT) / Mini Tower (MT) / Small Form Factor (SFF) / Ultra Small Form Factor (USFF) | *Not compatible for All-in-One (AIO) or Micro models*
- Compatible with select Intel 1st Gen Core i3/i5/i7, 2nd Gen Core i3/i5/i7, Pentium, and Celeron Processors/CPU
- Maximize your system's performance, boost loading speeds, and multitask with ease
- Easy to install at home, no expertise required
Rank No. #8
LXun Upgraded L265EM-00 265W Power Supply Compatible with Dell Optiplex 390 3010 790 990 MT Mini Tower, YC7TR 9D9T1 GVY79 053N4 D3D1 F265EM-00 AC265AM-00 H265AM-00 L265AM-00 Power Supply Replacement
- 【Upgraded L265EM-00 Power Supply For Dell Compatible Model】: Dell Optiplex 390, 790, 990 Mini Tower (MT)Systems Computer Power Supply. Note:Please Make sure that only applicable to Mini Tower (MT), not to DT/SFF/USFF.
- 【L265AM-00 Power Supply Replacement For Dell Optiplex 390 Compatible Model Number】: L265EM-00, F265EM-00, AC265AM-00, L265EM-0, L265AM-00, H265AM-00 Power Supply
- 【h265am-00 265W power supply replacement for Dell Compatible Part Number】: L265EM-00 265W Power Supply for dell optiplex 990 replaces YC7TR, 9D9T1, GVY79, 053N4, D3D1C, 0YC7TR, 09D9T1, 0GVY79, 0053N4, 0D3D1C
- 【dell H265am-00 Power supply Connectors】: P1:24-pin ATX Power, P2:4-pin P4 ATX Power, P3:4-pin Sata Power, P5:4-pin Sata Power, P8:4-pin Sata Power, P9:4-pin Sata Power
- 【What You Get】1X Desktop Power Supply Unit (265W) For Dell
Rank No. #9
Hard Drive Tray Caddy 0DN8MY DN8MY for DELL OptiPlex 390 790 990 3010 3020 7010 7020 9010 9020 SFF MT
- 3.5" SSD Mounting Bracket Full Compatiable for Dell Optiplex 390, 790, 990, 3010, 3020, 7010, 7020, 9010, 9020 MT/SFF; Precision T20, T1700, T1600, T1650, T3600, T3610, T5600, T5610, T3620 T5810; Vostro 260s; XPS 8950
- Part #: DN8MY, PX60023, 1B31D2600
- The hard drive bracket is made of ABS plastic and would not easily get out of shape. Sturdy and durable that allows for protecting your hard drive.
- No warry to Purchase: We provide a 12-month warranty and great customer service, if you have any questions, please contact us and we will reply you within 12 hours.
Rank No. #10
D250AD-00 H250ad-00 250W Power Supply for Dell Optiplex 390 3010 990 790 DT 530s 537s 540s 545s 546s 560s 570s 580s Vostro 200s 220s 230s 400s Studio 540s Slim Desktop DT Systems L250NS-00
- 【Compatible Number】: For DELL Optiplex 390 790 990 3010 537s 540s 545s 546s 560s 570s 580s 620s Vostro 200s 220s 230s 260s 400s Studio 540s 537s 560s DT Desktop System
- 【Compatible Part Number】: CYY97, 7GC81, HY6D2, WX9P8, 6MVJH, YJ1JT, 3MV8H, 3WFNF, 5FFR5, 76VCK, MPX3V, PWJ55, T498G, W208D, W209D, W210D, X3KJ8, XFWXR, FY9H3, 375CN, G4V10, NCYVN, XSKJ8
- 【Compatible Models】: L250NS-00, PS-5251-08D, D250AD-00, PS-5251-5, H250AD-00, D250A1005L, D250ED-00, DPS-250AB-67 A, F250ED-00, D-0250ADU00-101, D250ND-00, REF, DPS-250AB-73A, AC250NS-00, PCA038, TFX0250D5WB, D250AD-01, D250ED-01, DPS-250AB-68 A, F250AD-00, D-0250ADU00-201, PC7068, HP-D2506R0, DPS-250AB-36, H250ED-00, D250E006L, PS-5251-06.Please confirm your power supply model carefully before purchase.
- 【High Quality Materials】: The power supply replacement parts are made from high-quality durable materials. Strict quality control standards to Build and test.Better than the OEM.
- 【What You Get】: A YEECHUN Desktop Power Supply Unit (250W).
Last update on 2025-11-02 / Affiliate links / Images from Amazon Product Advertising API
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- Specifications: How powerful they are can be measured.
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- Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Dell Optiplex 390.
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