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 |  | generic | 4GB DDR2-667 (PC2-5300) ECC Fully Buffered DIMM for Apple Mac Pro (Apple Approved) | Yes | $119.00 | Free | $119.00 |
 |  | OWC | 4.0GB PC5300 Module for up to 32GB Memory DDR2 ECC 667MHz 240 Pin FB-DIMM Mac Pro Quad Cor ... (more) | Yes | $129.99 | $2.50 | $132.49 |
 |  | generic | Apple Mac Pro 2.66GHz Dual-Core Xeon (MA356LL, A) 2 x 4GB PC2-5300 DDR2-667 240-Pin DIMM E ... (more) | Yes | $233.92 | $2.95 | $236.87 |
Warning: The RAM listed below is not labeled by the seller for use with this system. However, it is the same type of RAM used in this system and may be compatible. Check with the seller before buying. |
 | Newegg | generic | WINTEC 4GB 240-Pin DDR2 SDRAM ECC Registered DDR2 667 (PC2 5 ... (more)

Free gift w/ purchase deals
Click here to activate coupon. | Yes | $105.99 | Free | $105.99 w/coupon |
 |  | generic | 4GB 240pin PC2-5300 DDR2-667 Registered ECC DIMM - GSA (p, n BVR-GSA) | Yes | $107.48 | $6.00 | $113.48 |
 |  | generic | 4GB 240pin PC2-5300 DDR2-667 Registered ECC DIMM - GSA (p, n BWR-GSA) | Yes | $107.48 | $6.00 | $113.48 |
 |  | generic | 4GB Uniwide 240pin PC2-5300 DDR2-667 Registered ECC DIMM (p, n UNIWIDE-BWR) | Yes | $109.98 | $6.00 | $115.98 |
 |  | generic | 4GB Polywell DDR2-667 PC2-5300 Registered ECC DIMM (p, n POLYWELL-4GB-667-R) | Yes | $109.98 | $6.00 | $115.98 |
 |  | generic | 4GB Unisys DDR2-667 PC2-5300 Registered ECC DIMM (p, n UNISYS-4GB-667-R) | Yes | $109.98 | $6.00 | $115.98 |
 |  | generic | OEM 4GB PC2-5300 (667Mhz) 240 pin DDR2 DIMM ECC Fully Buffered (BPA) Manuf Part No 4.0G-PC2-5300E-FB | Yes | $119.85 | Free | $119.85 |
 |  | generic | 4GB PC2-5300 DDR2-667 240-Pin DIMM ECC Fully Buffered | Yes | $116.96 | $2.95 | $119.91 |
 |  | generic | 4GB PC2-5300 DDR2-667 240-Pin DIMM ECC Registered | Yes | $116.96 | $2.95 | $119.91 |
 | Newegg | Super Talent | SUPER TALENT 4GB 240-Pin DDR2 FB-DIMM ECC Fully Buffered DDR ... (more)

Free gift w/ purchase deals
Click here to activate coupon. | Yes | $119.99 | Free | $119.99 w/coupon |
 | Newegg | generic | Kingston 4GB 240-Pin DDR2 SDRAM ECC Registered DDR2 667 (PC2 ... (more)

Free gift w/ purchase deals
Click here to activate coupon. | Yes | $118.99 | $5.99 | $124.98 w/coupon |
 |  | generic | OEM 4GB PC2-5300 (667Mhz) 240 pin DDR2 DIMM ECC Reg Dual Rank (BVR) Manuf Part No 4.0G-PC2-5300ER | Yes | $126.85 | Free | $126.85 |
 | Newegg | Crucial | Crucial 4GB 240-Pin DDR2 FB-DIMM ECC Fully Buffered DDR2 667 ... (more)

Free gift w/ purchase deals
Click here to activate coupon. | Yes | $120.99 | $5.99 | $126.98 w/coupon |
 |  | generic | 4GB DDR2-667 (PC2-5300) 512x72 Registred CL5 1.9v 240 Pin. Dual Rank (Major on 3rd) | Yes | $127.00 | Free | $127.00 |
 |  | generic | 4GB PC2-5300 DDR2-667 240-Pin DIMM ECC Registered LP | Yes | $125.96 | $2.95 | $128.91 |
 | Newegg | generic | Kingston 4GB 240-Pin DDR2 FB-DIMM ECC Fully Buffered DDR2 66 ... (more)

Free gift w/ purchase deals
Click here to activate coupon. | Yes | $126.49 | $5.99 | $132.48 w/coupon |
 |  | generic | 4GB 240p PC2-5300 CL5 Registered ECC DDR2-667 DIMM - GSA (p, n CJX-GSA) | Yes | $127.02 | $6.00 | $133.02 |
 |  | generic | 4GB DDR2-667 Fully Buffered ECC Memory - GSA (p, n BPA-GSA) | Yes | $127.03 | $6.00 | $133.03 |
 | Newegg | generic | Kingston 4GB 240-Pin DDR2 FB-DIMM ECC Fully Buffered DDR2 66 ... (more)

Free gift w/ purchase deals
Click here to activate coupon. | Yes | $127.49 | $5.99 | $133.48 w/coupon |
 |  | generic | 4GB NCS Technologies DDR2-667 Fully Buffered ECC DIMM (p, n NCS-4GB-DDR2667-FB) | Yes | $129.98 | $6.00 | $135.98 |
 |  | generic | 4GB RadiSys Promentum MPCBL0050 (SBC) DDR2-667 Fully Buffered ECC DIMM (p, n RADSYS-4GB-DDR2-667F) | Yes | $129.98 | $6.00 | $135.98 |
 |  | generic | 4GB Unisys DDR2-667 Fully Buffered ECC Memory (p, n UNISYS-4GB-667-FB) | Yes | $129.98 | $6.00 | $135.98 |
 | Newegg | generic | Kingston 4GB 240-Pin DDR2 FB-DIMM Fully Buffered DDR2 667 (P ... (more)

Free gift w/ purchase deals
Click here to activate coupon. | Yes | $131.49 | $5.99 | $137.48 w/coupon |
 | Newegg | generic | Kingston 4GB 240-Pin DDR2 FB-DIMM ECC Fully Buffered DDR2 66 ... (more)

Free gift w/ purchase deals
Click here to activate coupon. | Yes | $132.99 | $5.99 | $138.98 w/coupon |
 | Newegg | Crucial | Crucial 4GB 240-Pin DDR2 SDRAM DDR2 667 (PC2 5300) Desktop M ... (more)

Free gift w/ purchase deals
Click here to activate coupon. | Yes | $152.99 | $5.99 | $158.98 w/coupon |
 |  | generic | 4GB 240p PC2-5300 CL5 Registered ECC VLP DDR2-667 DIMM - GSA (p, n CPB-GSA) | Yes | $156.34 | $6.00 | $162.34 |
 |  | generic | 4GB 240p PC2-5300 CL5 Registered ECC VLP DDR2-667 DIMM (p, n CPB) | Yes | $159.98 | $6.00 | $165.98 |
| See an error? Report a pricing error on 4GB Apple Mac Pro (667Mhz). |
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