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1.
Generic
Generic - Pentium 4 Ready 300W ATX Power Supply with Ball-Bearing Fan - Thermal Control Overload Protection Backward compatible with previous Pentium or AMD ATX Case UL TUV & CSA compliance (qty discount). Read More ...
Price:
$14.00
Shipping:
$9.50 - $4.00 UPS Ground (Insured)
 
$23.50
PCTek Online
Edison, NJ
888-860-4416
Store Rating 6 of 10
2.
Premier PS-PR-ATX-300V
Premier - PS-PR-ATX-300V Premier 300watt 20-Pin Power Connector ATX Power Supply Model Number PS-PR-ATX-300V 300w. Read More ...
Sale!
$35.99   $29.95
Shipping:
free shipping!
 
$29.95
Ascendtech Inc.
Willoughby, OH
866-340-0111
Ascendtech Inc.
Store Rating 10 of 10
3.
Coolmax 300W M-ATX Power Supply
Coolmax - 300W M-ATX Power Supply Coolmax CM-300 300W M-ATX Power Supply. Specifications Mfr Part Number: CM-300 Features: Serial ATA Ready 80mm silent fan design long life noiseless and fastest cooling time All kinds of protec. Read More ...
Price:
$17.99
Shipping:
$13.11 - $10.46 Ground Shipping
 
$31.10
eWiz / SuperBiiz
San Jose, CA
408-934-2500
eWiz / SuperBiiz
Store Rating 10 of 10
4.
Powmax LP6100AA
Powmax - LP6100AA Micro ATX / e-Machines 300Watts-Switching Power Supply (Retail) - 300W MicroATX PS for eMachine. ATX 12V Compliant. 20/24-Pin Combo. SATA. Ball-Bearing Silent Fan Thermal Monitoring Control Overl. Read More ...
Price:
$24.00
Shipping:
$9.00 - $4.00 UPS Ground (Insured)
 
$33.00
PCTek Online
Edison, NJ
888-860-4416
Store Rating 6 of 10
5.
Coolmax Coolmax Technology, Inc. Coolmax 300W 80mm Silent
Coolmax - Coolmax Technology, Inc. Coolmax 300W 80mm Silent This power supply features an 80mm fan designed for long-life and noiseless fast cooling. It features over voltage protection short circuit protection on all output levels and it's serial ATA. Read More ...
Price:
$22.72
Shipping:
$12.35
 
$35.07
PC Connection
Merrimack, NH
888-213-0607
Unrated
6.
Sparkle 300W Power Supply
Sparkle - 300W Power Supply Sparkle ATX-300PA 300W 20 24pin SATA Power Supply. Specifications Mfr Part Number: ATX-300PA-B204 Feature: Complied with ATX12V 2.0 standard High efficiency low noise and ripple and reliability . Read More ...
Price:
$27.99
Shipping:
$9.99 Ground Shipping
 
$37.98
eWiz / SuperBiiz
San Jose, CA
408-934-2500
eWiz / SuperBiiz
Store Rating 10 of 10
7.
Coolmax
Coolmax - COOLMAX 300W 80MM MICRO ATX - POWER SUPPLY CM-300 CM300. Read More ...
Price:
$29.00
Shipping:
$9.90 UPS GROUND
 
$38.90
COMPSOURCE
Cleveland, OH
888-97-SOURCE
COMPSOURCE
Store Rating 10 of 10
8.
Sparkle  
Sparkle -   Sparkle SPI300T8HNB-B204 300W TFX12V Power Supply. Specifications Mfr Part Number: SPI300T8HNB-B204 Features: Complied with TFX12V standard Compatible with European Union Directive 2002 95 EC (Re. Read More ...
Price:
$31.99
Shipping:
$6.99 Ground Shipping
 
$38.98
eWiz / SuperBiiz
San Jose, CA
408-934-2500
eWiz / SuperBiiz
Store Rating 10 of 10
9.
Coolmax Coolmax Technology, Inc. Coolmax 300W 80mm Micro-A
Coolmax - Coolmax Technology, Inc. Coolmax 300W 80mm Micro-A This power supply features an 80mm fan designed for long-life and noiseless fast cooling. It features over voltage protection short circuit protection on all output levels and it is serial AT. Read More ...
Price:
$27.05
Shipping:
$12.67
 
$39.72
PC Connection
Merrimack, NH
888-213-0607
Unrated
10.
Apex Allied 300W ATX Power Supply Intel AMD Listed (AL-
Apex - Allied 300W ATX Power Supply Intel AMD Listed (AL- This Allied 300W ATX Power Supply is Ideal for P3 P4 and AMD Systems.. Read More ...
Price:
$27.13
Shipping:
$12.67
 
$39.80
PC Connection
Merrimack, NH
888-213-0607
Unrated
11.
Apex
Apex - 300W ALLIED ATX12V POWER SUPPL - INTEL AMD LISTED (SL-8320BTX) 24PIN ALA300ATX. Read More ...
Price:
$30.00
Shipping:
$9.90 UPS GROUND
 
$39.90
COMPSOURCE
Cleveland, OH
888-97-SOURCE
COMPSOURCE
Store Rating 10 of 10
12.
In Focus  
In Focus -   In-Win IP-S300FF1-0 300W TFX Power Supply For BL BP Series. Specifications Mfr Part Number: IP-S300FF1-0 Total Output: 300 W AC Input: 115 230V 7 4A 60 50Hz Output: +12V1 @ 18A; +12V2 @ 18A; +5. Read More ...
Sale!
$33.99   $31.99
Shipping:
$7.99 Ground Shipping
 
$39.98
eWiz / SuperBiiz
San Jose, CA
408-934-2500
eWiz / SuperBiiz
Store Rating 10 of 10
13.
Casedge MT-300W 300W
Casedge - MT-300W 300W Foxconn MT-300W 300W Power Supply for DH153 Chassis. Specifications Mfr Part Number: MT-300W input: Input Range: 115 ~ 230Va Frequency: 50~60 Hz Input Current: 6A 3A Output: Total Power: 300 W O. Read More ...
Price:
$33.99
Shipping:
$5.99 Ground Shipping
 
$39.98
eWiz / SuperBiiz
San Jose, CA
408-934-2500
eWiz / SuperBiiz
Store Rating 10 of 10
14.
Inwin 110937
Inwin - 110937 InWin IP-S300FF1-0 300W TFX Power Supply for BL BP Series Micro. Read More ...
Price:
$39.99
Shipping:
: free ground insured
 
$39.99
3btech.net
South Bend, IN
877-3BTECH8
3btech.net
Store Rating 10 of 10
15.
In Focus 300W Power Supply
In Focus - 300W Power Supply In-Win IP-P300BN1-0 300W Power Supply For BK Series Case. Specifications Mfr Part Number: IP-P300BN1-0 Total Output: 300 W AC Input: 115 230V 4 7A 50 60Hz Output: +5V Max 20A; +3.3V Max 20A; +1. Read More ...
Price:
$31.99
Shipping:
$8.99 Ground Shipping
 
$40.98
eWiz / SuperBiiz
San Jose, CA
408-934-2500
eWiz / SuperBiiz
Store Rating 10 of 10
16.
Sparkle  
Sparkle -   Sparkle SPI300EP-MPC 300W 80PLUS ATX+12V Switching Power Supply. Specifications Mfr Part Number: SPI300EP-MPC Features: Complies with ATX12V standard Active Power Factor Correction (PFC) meets EN. Read More ...
Sale!
$43.99   $34.99
Shipping:
$7.99 Ground Shipping
 
$42.98
eWiz / SuperBiiz
San Jose, CA
408-934-2500
eWiz / SuperBiiz
Store Rating 10 of 10
17.
Sparkle FSP300-60GNV 300W SFX12V
Sparkle - FSP300-60GNV 300W SFX12V Sparkle FSP300-60GNV 300W SFX12V Switching Power Supply. Specifications Mfr Part Number: FSP300-60GNV Features: Complied with SFX and SFX12V standard Active Power Factor Correction (PFC) meet EN6. Read More ...
Price:
$35.99
Shipping:
$7.99 Ground Shipping
 
$43.98
eWiz / SuperBiiz
San Jose, CA
408-934-2500
eWiz / SuperBiiz
Store Rating 10 of 10
18.
SEASONIC USA  
SEASONIC USA -   Seasonic SS-300ET 300W 80PLUS Bronze ATX12V Power Supply. Specifications Mfr Part Number: SS-300ET BRONZE Features: Specification compliance: ATX 12V v2.3 Support the latest Intel & AMD Socke. Read More ...
Price:
$38.99
Shipping:
$5.99 Ground Shipping
 
$44.98
eWiz / SuperBiiz
San Jose, CA
408-934-2500
eWiz / SuperBiiz
Store Rating 10 of 10
19.
Sparkle Power
Sparkle Power - 300W SPI300T8HNB-B204 TFX POWE - SUPPLY NOISE KILLER SPI300T8HNBB204. Read More ...
Price:
$36.00
Shipping:
$9.90 UPS GROUND
 
$45.90
COMPSOURCE
Cleveland, OH
888-97-SOURCE
COMPSOURCE
Store Rating 10 of 10
20.
SEASONIC USA 300W 80PLUS BRONZE TFX
SEASONIC USA - 300W 80PLUS BRONZE TFX Seasonic SS-300TFX 300W 80PLUS BRONZE TFX Power Supply. Specifications Mfr Part Number: SS-300TFX Features: Specification compliance: TFX 12V v2.31 Pentium 4 ready with P4 connectors Forward conv. Read More ...
Sale!
$40.99   $37.99
Shipping:
$7.99 Ground Shipping
 
$45.98
eWiz / SuperBiiz
San Jose, CA
408-934-2500
eWiz / SuperBiiz
Store Rating 10 of 10
21.
SEASONIC USA  
SEASONIC USA -   Seasonic SS-300SFD 300W 80PLUS SFX 12V v3.1 Power Supply. Specifications Mfr Part Number: SS-300SFD Features: Specification compliance - SFX 12V v3.1 Forward converter circuit High efficiency and. Read More ...
Price:
$38.99
Shipping:
$7.99 Ground Shipping
 
$46.98
eWiz / SuperBiiz
San Jose, CA
408-934-2500
eWiz / SuperBiiz
Store Rating 10 of 10
22.
ASOUND
ASOUND - REPLACE OR UPGRADE TO A 300W POWER SUPPLY FOR A STANDARD ATX COMPUTER - 300W ATX ATXPOWER300. Read More ...
Price:
$39.00
Shipping:
$10.50 UPS GROUND
 
$49.50
COMPSOURCE
Cleveland, OH
888-97-SOURCE
COMPSOURCE
Store Rating 10 of 10
23.
Sparkle 300W Power Supply
Sparkle - 300W Power Supply Sparkle SPI300GLS-B204 SFX 12V 300W 80+ Power Supply. Specifications Mfr Part Number: SPI300GLS-B204 Features: Complied with SFX12V standard Active Power Factor Correction (PFC) meet EN61000-3-2 . Read More ...
Price:
$43.99
Shipping:
$5.99 Ground Shipping
 
$49.98
eWiz / SuperBiiz
San Jose, CA
408-934-2500
eWiz / SuperBiiz
Store Rating 10 of 10
24.
Sparkle Power
Sparkle Power - 300W PS2 ATX12V LOW NOISE - P4 READY & AMD CERTIFIED FSP30060ATVS. Read More ...
Sale!
$47.00   $40.00
Shipping:
$10.00 UPS GROUND
 
$50.00
COMPSOURCE
Cleveland, OH
888-97-SOURCE
COMPSOURCE
Store Rating 10 of 10
25.
Hewlett Packard 5064-6603
Hewlett Packard - 5064-6603 HP 300W Power Supply for Netserver LH3000 LH6000 Cooling Fan excluded Refurbished p/n 5064-6603 or 0960-2816 with 60 days warranty. Read More ...
Price:
$39.00
Shipping:
$12.00 - $8.00
 
$51.00
Southwest Network Sol
Houston, TX
800-881-2799
Unrated
26.
Maruson POP-600
Maruson - POP-600 Maruson Technology POP-600 600VA 300W UPS System. Specifications Mfr Part Number: POP-600 Capacity: 600VA 300W Input: Nominal Input Voltage: 110~120VAC Voltage Range: 90~140VAC Frequency: 50 60. Read More ...
Price:
$51.99
Shipping:
Free Ground Shipping
 
$51.99
eWiz / SuperBiiz
San Jose, CA
408-934-2500
eWiz / SuperBiiz
Store Rating 10 of 10
27.
ASOUND
ASOUND - ADD A HIGH PERFORMANCE 300W POWER SUPPLY TO A STANDARD ATX COMPUTER - 300W ATX P ATXPOW300PRO. Read More ...
Price:
$43.00
Shipping:
$10.50 UPS GROUND
 
$53.50
COMPSOURCE
Cleveland, OH
888-97-SOURCE
COMPSOURCE
Store Rating 10 of 10
28.
Startech StarTech.com 300W Replacement ATX Power Supply
Startech - StarTech.com 300W Replacement ATX Power Supply Replace your old ATX12V power supply with StarTech.com's Reliable ATXPOWER300. Compatible with Intel Pentium II III and AMD K6 and Athlon-based systems the ATXPOWER300 offers the ideal power s. Read More ...
Price:
$40.52
Shipping:
$12.98
 
$53.50
PC Connection
Merrimack, NH
888-213-0607
Unrated
29.
Sparkle Power
Sparkle Power - 300W SFX12V SWITCHING POWER - SFX POWER SUPPLY FSP30060GNV. Read More ...
Price:
$45.00
Shipping:
$9.90 UPS GROUND
 
$54.90
COMPSOURCE
Cleveland, OH
888-97-SOURCE
COMPSOURCE
Store Rating 10 of 10
30.
Sparkle 300W Power Supply
Sparkle - 300W Power Supply Sparkle FSP300-60PLNR 300W PFC ATX12V Switching Power Supply. Specifications Mfr Part Number: FSP300-60PLNR Features: 20pin Main Power connector Complied with ATX and ATX12V standard Active Power. Read More ...
Price:
$47.99
Shipping:
$7.99 Ground Shipping
 
$55.98
eWiz / SuperBiiz
San Jose, CA
408-934-2500
eWiz / SuperBiiz
Store Rating 10 of 10
31.
Sparkle Power
Sparkle Power - 300W SPI300T8AB-B204 82PLUS - TFX12V PSU BRONZE PSU ACTIVE PFC SPI300T8ABB204. Read More ...
Price:
$47.00
Shipping:
$9.90 UPS GROUND
 
$56.90
COMPSOURCE
Cleveland, OH
888-97-SOURCE
COMPSOURCE
Store Rating 10 of 10
32.
Inwin
Inwin - True 300w In Win TFX IPS300FF10TLRETAIL. Read More ...
Price:
$48.00
Shipping:
$9.90 UPS GROUND
 
$57.90
COMPSOURCE
Cleveland, OH
888-97-SOURCE
COMPSOURCE
Store Rating 10 of 10
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