OEMs such as HP, Gateway, Compaq, and Dell often deviate from accepted PC power supply standards. Unique shapes, connectors, and wiring are all signs of a proprietary design. Below is the cross reference of popular Compaq computers and part numbers to the appropriate power supply upgrades or replacements.

Manufacturer Part Number: Compaq P/N: 277910-001 replace with HP-Q220PC3P.
Applications Notes:
COMPAQ Power Supply EVO D310/510 220W P/N 277910-001
Manufacturer: Compaq / Hewlett Packard
Model: HP-Q220PC3P / Series PDP-121P

Manufacturer Part Number: Compaq P/N: 277919-001  replace with HP-Q220PC3.
Applications Notes:
COMPAQ Power Supply HP-Q220PC3 / Series PDP-121
Manufacturer: Compaq / Hewlett Packard
Model: HP-Q220PC3 / Series PDP-121
Part No: 277919-001
Spare Part No: 277978-001

Manufacturer Part Number: Compaq 153652-001 / 152769-001  replace with  HP-Q250GF3.
Applications Notes:
COMPAQ Power Supply HP-Q250GF3
Manufacturer: Compaq / Hewlett Packard
Model: HP-Q250GF3
Spare Number: 153652-001
Part Number: 152769-001

Manufacturer Part Number: HP Pavilion Zinfandel P/N: 5187-1098 replace with ATX-250-12ZD
Application Notes:
Bestec ATX-250-12ZD HP OEM part.
Original equipment LED for power status.
Compaq Presario: 6000T, 8000T, S3000T, S3000V, S3000Z, S4000J, S4000T, S4000V, S4000Z, S5000J, S5000T, S5000V, S6000T, S6000V, S6000Z, S6010V
S3000NX, S3010CL, S3030RK, S3030US, S3040SE, S3100NX, S3200NX, S3300NX, S3310CL, S3310OM, S3500CL,
S4000NX, S4010CL, S4010OM, S4020WM, S4030NX, S4040SE, S4100NX, S4110CL, S4120WM, S4200NX, S4210NX, S4214BD, S4220NX, S4300CL, S4300NX, S4500NX,
S5000CL, S5008NX, S5010NX, S5140WM, S5020NX, S5030NX, S5200CL, S5314ST, S5322CC, S5410NX,
S6000CL, S6000NX, S6030NX, S6100NX, S6010NX, S6020WM, S6104NX, S6200CL, S6220WM, S6300NX, S6306RC, S6308NX, S6500NX, S6700CL, S6700NX, S6900NX,
S7300CL, SR1000T, SR1000V, SR1000Z, SR1010V
SR1010NX, SR1011NX, SR1012NX, SR1020NX, SR1030NX, SR1033WM, SR1034NX, SR1044BB, SR1050NX, SR1053WM, SR1055CL, SR1090NX, SR1102BD, SR1103WM, SR1110NX, SR1111NX, SR1112BD, SR1113NX, SR1114NX, SR1115CL, SR1120NX, SR1123WM, SR1124NX, SR1130NX, SR1132CU, SR1135CL, SR1150NX, SR1170NX,
HP Pavilion Models:

Manufacturer Part Number: Compaq P/N 127999-001 replace with ATX-300W.
Applications Notes:
145W Compaq OEM part.
Compaq Presario desktop PC models 7500, 7500CTO, 7543, 7573, 7583, 7588, 7590, 7594, 7599, 5365, 5475, 5477, 5835, 5BW284, 7485, 7895, 7922.
Compaq Presario models 5400CTO, 5800, 5BW, 7800, 7900.

Manufacturer Part Number:HP-Compaq P/N 5187-6114, 5188-2625 replace with ATX-300-12Z.
Applications Notes:
Bestec ATX-300-12Z BD HP OEM part.
Compaq Presario models SR1005T CTO, SR1010T CTO, SR1010Z CTO, SR1151NX, SR1222NX, SR1250NX, SR1318NX, SR1319RS, SR1334NX, SR1350NX.

Manufacturer Part Number: Compaq P/N 128017-001 replace with ATX-300W.
Application Notes:
200W Compaq OEM part.
Compaq Presario desktop PC models 5900T, 5700N, 5700T, 5745, 5852.
Compaq Presario models 5700, 5800, 7800.

Manufacturer Part Number: Compaq P/N 138652-001 replace with Micro ATX-250.
Application Notes:
110W Compaq OEM part.
Compaq Presario desktop PC models 5304, 5410, 5451, 5457, 5461, 5465, and 5400 CTO series.
Upgrade for Fortron/Source FSP180-50NIV, FSP150-50NI, FSP150-50CI, Ilssan ISP 120S, Bestec ATX-100-5, HIPRO HP-K1507A3C, Delta DPS-145PB-111, Delta DPS-120AB A, HeroIchi HEC-145FC and others.

Manufacturer Part Number: Compaq Presario HP P/N 0950-4107 replace with ATX-1956F.
Application Notes:
If 4 pin video power connector required replace with 200Watt PS3ATX-200W
Bestec ATX-1956F is common HP Compaq OEM part.
Original equipment 3 pin connector for board control of power supply fan.
Original equipment LED for power status.
Compaq Presario Models Presario 6300US, Presario 6310US, Presario 6320US, Presario 6330US, Presario 6350US, Presario 6315CL, Presario 6325CL, Presario 6301RSH, Presario 6331RSH, Presario 6333OM, Presario 6370US, Presario 6324SE, Presario 6315RSH, Presario 6400NX, Presario 6410NX, Presario 6420NX, Presario 6430NX, Presario 6450NX, Presario 6470NX, Presario 6326SE, Presario 6415CL, Presario 6435CL, Presario 6475CL, Presario 6401RSH, Presario 6404US, Presario 6433US, Presario 6470CA, Presario 6473SA, Presario 6422SE

Manufacturer Part Number: HP Compaq P/N 0950-4025 replace with ATX-153.
Application Notes:
HP P/N: 0950-4025 134w Power Supply

Manufacturer Part Number: Compaq P/N 153652-004 replace with ATX-300W.
Application Notes:
250W Compaq OEM part.
Compaq Presario models 5000T/REM CTO - 5SPXE1, 5006LA, 5100xx CTO, 5300CA, 5300US, 5300XX, 5301RSH, 5310CA, 5310LA, 5310US, 5311SR, 5313KS, 5320CA, 5000A, 5000US, 5000Z, 5006CA, 5006H, 5006US, 5007H, 5008CA, 5008H, 5080US, 5109RSH, 5122LA, 5150WM, 5420US, 5888, 5900Z, 5WV297, 7000T, 7000Z, 7998, 7AP195, 7EL1193, 5000xx CTO series, 5100 CTO series, 5400xx CTO series, and 5WV.

Manufacturer Part Number: Compaq P/N 163555-001 replace with Micro ATX-200.
Application Notes:
90W Compaq OEM part.
Compaq iPAQ Desktop Legacy-Free PC P733/810e.

Manufacturer Part Number: Compaq P/N 166814-001, 174871-001, 254475-001, and 332863-001 replace with ATX-300W.
Application Notes:
Delta DPS-200PB-89 C is common Compaq OEM part.
Compaq Deskpro models EP P667 / 810e and SB 6400 / 6400CDM.
Compaq ProLiant 400 and 400 PIII 6 / 600 Model 9.1 .
Compaq Prosignia 720 server 6 / 600-512, 700 SMB, Desktop 310, and Desktop 330.
Compaq Professional Workstation AP200.

Manufacturer Part Number: Compaq P/N 201828-001 replace with ATX-300W.
Application Notes:
200W Compaq OEM part.
Compaq Deskpro Minitower PC models EX and SBi.

Manufacturer Part Number: Compaq P/N 174048-001 replace with Micro ATX300W.
Application Notes:
145W Compaq OEM part.
Compaq Presario desktop PC 7360 and 7300.

Manufacturer Part Number: Compaq P/N 201829-001 replace with Micro ATX300W.
Application Notes:
145W Compaq OEM part.
Compaq Deskpro EX Minitower PC.

Manufacturer Part Number: Compaq P/N 216912-001 replace with Micro ATX300W.
Application Notes:
145W Lite-On PS-5141-4 is common Compaq OEM part.
Compaq Deskpro EX Microtower PC.

Manufacturer Part Number: Compaq P/N 251626-001 replace with Micro ATX300W.
Application Notes:
145W Compaq OEM part.
Compaq Evo D300 V-series Minitower Type.

Manufacturer Part Number: HP-Compaq P/N 5187-1098 and 5183-6914 replace with ATX-300W.
Application Notes:
Delta DPS-200PB-74 B is common Compaq OEM part.
ATX 300 watt Power supply
Original equipment may have 3 pin connector for board control of power supply fan. Replacement part operates without this connector.
Compaq Presario models SR1103WM, SR1123WM, 6410LA, 6410LS, 6420LA, 6420LS, 6430LA, 6430LS, S3000AP, S3000NX, S3010AN, S3010CL, S3010IL, S3020AP, S3030AP, S3030IL, S3030US, S3040SE, S3050AN, S3060AN, S3080AP, S3090AP,
S3100AN, S3100AP, S3100KR, S3100NX, S3110AP, S3120AN, S3120IN, S3130AP, S3130AX, S3150AP, S3160AP, S3180AN, S3200AP, S3200NX, S3210AP, S3210IN, S3220AP, S3220IN, S3230AP, S3240IN, S3250AP, S3260AN, S3260AP, S3270AN, S3300KR, S3300NX, S3310CL, S3310OM, S3320AP, S3350KR, S3380AN, S3500CL,
S3610LA, S3610LS, S3630LA, S3630LS, S3650LA,
S4000NX, S4010CL, S4010LA, S4010LS, S4010OM, S4020LA, S4020LS, S4020WM, S4030LA, S4030LS, S4030NX, S4040SE, S4100NX, S4110CL, S4120WM,
S4200NX, S4210NX, S4214BD, S4220NX,
S4300CL, S4300NX, S4500NX,
S5000CL, S5000J, S5000LA, S5000NX, S5008NX, S5010LA, S5020LA, S5020LS, S5020NX, S5030LA,
S5100CL, S5100NX, S5140WM,
S5300NX, S5314ST, S5322CC,
S5400NX, S5410NX,
S6000CL, S6000NX, S6010NX, S6020WM, S6030NX, S6100NX, S6104NX, S6200CL, S6220WM, S6300NX, S6306RC, S6308NX, S6500NX, S6700CL, S6700NX, S6900NX,
SR1010LA, SR1002LA, SR1003LA, SR1010LA, SR1010NX, SR1011NX, SR1012NX, SR1015LA, SR1020LA, SR1020NX, SR1023WM, SR1030LA, SR1030NX, SR1033WM, SR1034NX, SR1044BB, SR1050NX, SR1053WM, SR1055CL, SR1090NX,
SR11102BD, SR1110NX, SR1111NX, SR1112BD, SR1113NX, SR1114NX, SR1115CL, SR1120NX, SR1124NX, SR1130NX, SR1132CU, SR1135CL, SR1150NX, SR1170NX,
S7300CL, 6000T CTO, 6000Z CTO, 8000T CTO, S3000T CTO, S3000V CTO, S3000Z CTO, S4000J CTO, S4000T CTO, S4000V CTO, S4000Z CTO, S5000T CTO, S5000V CTO, S6000T CTO, S6000V CTO, S6000Z CTO, S6010V CTO, SR1000T CTO, SR1000V CTO, SR1000Z CTO, SR1010V CTO.

Manufacturer Part Number: HP-Compaq P/N 0950-4107 and 5185-2974 replace with PS3ATX250W.
Application Notes:
Original equipment may have 3 pin connector for board control of power supply fan. Replacement part operates without this connector.
Compaq Presario models 6000T CTO, 6000Z CTO, 6288AP, 6300US, 6301RSH, 6310US, 6315CL, 6320US, 6324SE, 6325CL, 6326SE, 6330US, 6331RSH, 6333OM, 6350US, 6351RSH, 6370US, 6400NX, 6401RSH, 6404US, 6410NX, 6412US, 6415CL, 6420NX, 6421US, 6422SE, 6430NX, 6433US, 6435CL, 6450NX, 6454NX, 6470NX, 6473SA, 6475CL, 6485CL.

Manufacturer Part Number: COMPAQ Prolinea series P/N:143347-003 replace with AT 250Watt / AT 300Watt
Application Notes:
Compaq part number 143347-003, Spare 194352-001.

Manufacturer Part Number: Compaq Presario P/N 174048-001 replace with Micro ATX250W.
Application Notes:
With 4 pin video power connector
Without 3 pin connector
Compaq spares 138652-001, 174048-001
Application note: Suitable for Compaq models Presario 5301, Presario 5303, Presario 5304, Presario 5410, Presario 5420, Presario 5423, Presario 5440, Presario 5441, Presario 5443, Presario 5447, Presario 5447, Presario 5451, Presario 5457, Presario 5460, Presario 5461, Presario 5465, Presario 7350, Presario 7360, Presario 7360, Presario 7370, Presario 7922