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Home >> Power Supplies, UPS >> Shop by Maximum Power >> 

300W - 399W Computer Power Supplies


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HEC HEC-300AR 300W ATX 12V Power Supply, Low Noise, Built-in EMI Filter. Retail box
HEC HEC-300AR 300W ATX 12V Power Supply, Low Noise, Built-in EMI Filter. Retail box

$19.99
HEC HEC-300AR-T 300W ATX 12V Power Supply. OEM
HEC HEC-300AR-T 300W ATX 12V Power Supply. OEM

$17.99
Shuttle PC60 300W Active PFC SFF Power Supply, Thermal Fan-speed Control, for XPC G2/G5/G5M/G6/K/D Series
Shuttle PC60 300W Active PFC SFF Power Supply, Thermal Fan-speed Control, for XPC G2/G5/G5M/G6/K/D Series

$81.99
Thermaltake Litepower 350W ATX12V 2.3 Computer Power Supply W0292RU, Active PFC, 80 PLUS Certified
Thermaltake Litepower 350W ATX12V 2.3 Computer Power Supply W0292RU, Active PFC, 80 PLUS Certified

Regular price:$59.99
On Sale: $48.99
*$10 Instant Rebate* Black CoolMax 380W ATX12V Computer Power Supply ZP-380B, 80 Plus Certified, Active PFC, Supports SATA and PCI-E, RoHS Compliant
*$10 Instant Rebate* Black CoolMax 380W ATX12V Computer Power Supply ZP-380B, 80 Plus Certified, Active PFC, Supports SATA and PCI-E, RoHS Compliant

w/ 120mm Silent Fan
Original Price: $59.99
Instant Rebate: $-10.00
After Rebate: $49.99
Rebate expires: 07/31/09


Regular price:$69.99
On Sale: $59.99
*$15 Mail-In Rebate* Enermax Pro 82+ 385W ATX12V v2.3 Computer Power Supply EPR385AWT, 80PLUS Certified, Active PFC, SLI or CrossFire X Ready.
*$15 Mail-In Rebate* Enermax Pro 82+ 385W ATX12V v2.3 Computer Power Supply EPR385AWT, 80PLUS Certified, Active PFC, SLI or CrossFire X Ready.

Original Price: $69.99
Mail-in Rebate: $15.00
After Rebate: $54.99
Rebate expires: 07/31/09


Regular price:$79.99
On Sale: $69.99
*$10 Mail-In Rebate* Silver CoolMax 300W Micro ATX Computer Power Supply CM-300, Supports SATA, w/ 80mm Silent Fan
*$10 Mail-In Rebate* Silver CoolMax 300W Micro ATX Computer Power Supply CM-300, Supports SATA, w/ 80mm Silent Fan

Original Price: $22.99
Mail-in Rebate: $10.00
After Rebate: $12.99
Rebate expires: 07/31/09


Regular price:$31.50
On Sale: $22.99
Logisys 350W Micro ATX Computer Power Supply, Built-in EMI Filter, Model: PS350MA. Retail Box
Logisys 350W Micro ATX Computer Power Supply, Built-in EMI Filter, Model: PS350MA. Retail Box

Regular price:$21.99
On Sale: $17.99
KDM 320W Dell and HP Upgrade / Replacement Micro ATX Power Supply w/ Video Power Connector, M6320H
KDM 320W Dell and HP Upgrade / Replacement Micro ATX Power Supply w/ Video Power Connector, M6320H

Regular price:$39.99
On Sale: $34.99
KDM 320W HP Upgrade / Replacement Micro ATX Power Supply w/ Video Power Connector, M6320H
KDM 320W HP Upgrade / Replacement Micro ATX Power Supply w/ Video Power Connector, M6320H

Regular price:$34.99
On Sale: $32.99
Antec Basiq 350W ATX12V v2.01 Computer Power Supply, Supports SATA, Model: BP350.
Antec Basiq 350W ATX12V v2.01 Computer Power Supply, Supports SATA, Model: BP350.

$36.98
Enhance FLEX-0130B 300W FlexATX Computer Power Supply, RoHS, 80 PLUS Certified, SATA Ready.
Enhance FLEX-0130B 300W FlexATX Computer Power Supply, RoHS, 80 PLUS Certified, SATA Ready.

Regular price:$59.99
On Sale: $54.99
Antec 350 Watt ATX Replacement Power Supply MT350, for Minuet300 and Minuet350 Cases, 80 PLUS Certified.
Antec 350 Watt ATX Replacement Power Supply MT350, for Minuet300 and Minuet350 Cases, 80 PLUS Certified.

Regular price:$57.98
On Sale: $49.99
Enhance FLEX-0130B 300W 1U Rack Mount IPC Power Supply, RoHS Compliant. ds
Enhance FLEX-0130B 300W 1U Rack Mount IPC Power Supply, RoHS Compliant. ds

$59.99
KDM 7320E 320W Micro ATX Computer Replacement (including HP/eMachine/Gateway) Power Supply
KDM 7320E 320W Micro ATX Computer Replacement (including HP/eMachine/Gateway) Power Supply

$22.99
Raidmax 380W ATX12V Computer Power Supply, SATA Ready, w/ 80mm Fan, Model: RX-380K
Raidmax 380W ATX12V Computer Power Supply, SATA Ready, w/ 80mm Fan, Model: RX-380K

$14.99
Shuttle PC50 SilentX 300W SFF Power Supply, SATA Ready, Active PFC, Designed for the XPC
Shuttle PC50 SilentX 300W SFF Power Supply, SATA Ready, Active PFC, Designed for the XPC

Regular price:$84.00
On Sale: $81.99
HEC VN-RX Series 300W ATX12V v2.2 Computer Power Supply, w/ 80mm Cooling Fan, Model: HEC-300VN-2RX
HEC VN-RX Series 300W ATX12V v2.2 Computer Power Supply, w/ 80mm Cooling Fan, Model: HEC-300VN-2RX

Regular price:$29.99
On Sale: $25.99
Black SilverStone SST-ST350 350W ATX 12V Computer Power Supply, Supports SATA, w/ 120mm Fan. ds
Black SilverStone SST-ST350 350W ATX 12V Computer Power Supply, Supports SATA, w/ 120mm Fan. ds

$44.99
iStarUSA 4U 350W PS2 Mini Redundant Computer Power Supply, Active PFC, RoHS Compliance, Model: CP-12035. ds
iStarUSA 4U 350W PS2 Mini Redundant Computer Power Supply, Active PFC, RoHS Compliance, Model: CP-12035. ds

$332.00
FSP Group ATX12V 300W P4 Computer Power Supply ATX300-PA, w/ 8cm Fan and; Remote Control
FSP Group ATX12V 300W P4 Computer Power Supply ATX300-PA, w/ 8cm Fan and; Remote Control

$22.99
iStarUSA Dual AC Input 2U 350W Redundant Power Supply IS-350R2UP, 24 Pin, Active PFC, SATA Supports, RoHS. ds
iStarUSA Dual AC Input 2U 350W Redundant Power Supply IS-350R2UP, 24 Pin, Active PFC, SATA Supports, RoHS. ds

$360.00
Antec 380W ATX12V v2.0 Computer Power Supply EA380, Supports PCI-E, SATA, 80 PLUS Certified, Active PFC, w/ 80mm Cooling Fan
Antec 380W ATX12V v2.0 Computer Power Supply EA380, Supports PCI-E, SATA, 80 PLUS Certified, Active PFC, w/ 80mm Cooling Fan

Regular price:$52.99
On Sale: $42.99
In Win F-Series TFX12V 300W Power Supply, Model: IP-P300F1-0
In Win F-Series TFX12V 300W Power Supply, Model: IP-P300F1-0

Regular price:$29.99
On Sale: $24.99
FSP Group 350W ATX 12V 2.0V Computer Power Supply ATX-350PA, 24/ 20Pin, Remote ON/OFF Control, OEM
FSP Group 350W ATX 12V 2.0V Computer Power Supply ATX-350PA, 24/ 20Pin, Remote ON/OFF Control, OEM

Regular price:$28.99
On Sale: $26.99
FSP Group 350W ATX12V v2.2 Computer Power Supply, w/ 12cm Fan, Model: ATX350-PNT
FSP Group 350W ATX12V v2.2 Computer Power Supply, w/ 12cm Fan, Model: ATX350-PNT

Regular price:$26.99
On Sale: $24.99
iStarUSA 350W 1U Switching Power Supply, Active PFC, RoHS Compliance, Model: CP-01035. ds
iStarUSA 350W 1U Switching Power Supply, Active PFC, RoHS Compliance, Model: CP-01035. ds

$89.99
iStarUSA 350W 2U Switching Power Supply, Active PFC, RoHS Compliance, Model: CP-02035. ds
iStarUSA 350W 2U Switching Power Supply, Active PFC, RoHS Compliance, Model: CP-02035. ds

$76.99
iStarUSA 350W PS2 ATX Switching Power Supply, RoHS Compliant. w/ 120mm Fan. Model: TC-350PD1. ds
iStarUSA 350W PS2 ATX Switching Power Supply, RoHS Compliant. w/ 120mm Fan. Model: TC-350PD1. ds

$59.99
HEC 300W ATX 12V Ver 2.2 Computer Power Supply, w/ 80mm DC Fan, Model: HEC300TRTF
HEC 300W ATX 12V Ver 2.2 Computer Power Supply, w/ 80mm DC Fan, Model: HEC300TRTF

Regular price:$29.99
On Sale: $17.99
so: Seasonic ATX 12V 300W Computer Power Supply SS-300ES, Active PFC, 80 Plus Certified, w/ 8cm Fan. Bulk Pack. OEM
so: Seasonic ATX 12V 300W Computer Power Supply SS-300ES, Active PFC, 80 Plus Certified, w/ 8cm Fan. Bulk Pack. OEM

Regular price:$39.99
On Sale: $36.99
so: High Power 300W ATX12V Computer Power Supply HPC-300-102 DF, Built-in Quintuple Protection, w/ Dual High Quality Fans.
so: High Power 300W ATX12V Computer Power Supply HPC-300-102 DF, Built-in Quintuple Protection, w/ Dual High Quality Fans.

$26.99
so: Seasonic S12II Series ATX12V 380W Computer Power Supply S12II-380, Active PFC, Supports SATA and; PCI-E
so: Seasonic S12II Series ATX12V 380W Computer Power Supply S12II-380, Active PFC, Supports SATA and; PCI-E

w/ Silent Fan Control & 12cm Cooling Fan

$64.99
so: Athlon Approved Enhance/ HEC 300W ATX Computer Power Supply, OEM
so: Athlon Approved Enhance/ HEC 300W ATX Computer Power Supply, OEM

Regular price:$39.00
On Sale: $22.99
so: Apex ATX12V Version 2.2 300W Computer Power Supply AL-A300ATX, Supports SATA, w/ 80mm Low-noise Fan. Retail Box
so: Apex ATX12V Version 2.2 300W Computer Power Supply AL-A300ATX, Supports SATA, w/ 80mm Low-noise Fan. Retail Box

$32.99
so: Spire Jewel 380W ATX 12V 2.01 Computer Power Supply, Supports SATA & PCI-E, w/ 120mm Crystal Silent Fan, Model: SP-ATX-380W-US. ds
so: Spire Jewel 380W ATX 12V 2.01 Computer Power Supply, Supports SATA & PCI-E, w/ 120mm Crystal Silent Fan, Model: SP-ATX-380W-US. ds

$28.99
so: AcBel E2 Power 390 350W ATX 12V Computer Power Supply, 20+4pin, w/ 12cm Fan, Model: API5PC17, OEM
so: AcBel E2 Power 390 350W ATX 12V Computer Power Supply, 20+4pin, w/ 12cm Fan, Model: API5PC17, OEM

$27.99
so: High Power 300W ATX12V and PS3 12V Computer Power Supply SI-A300M3, RoHS Compliant, Supports SATA and PCI-E. ds
so: High Power 300W ATX12V and PS3 12V Computer Power Supply SI-A300M3, RoHS Compliant, Supports SATA and PCI-E. ds

$29.99
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