| | Sort by Merchant | Sort by Brand | Description | Sort by Stock | Sort by Price | Shipping | Price + Shipping |
 |  | generic | 4GB DDR2 667 ECC FULLY BUFFERED FOR APPLE MAC PRO | Yes | $149.00 | Free | $149.00 |
 |  | OWC | 4.0GB PC5300 Module for up to 32GB Memory DDR2 ECC 667MHz 240 Pin FB-DIMM Mac Pro Quad Cor ... (more) | Yes | $159.99 | $2.50 | $162.49 |
 | Memory Suppliers | generic | 4GB PC2-5300 667MHZ DDR2 240 PIN Fully Buffered FBDIMM for Apple Mac Pro | Yes | $349.00 | Free | $349.00 |
 | Upgrade Nation | generic | 4GB PC2-5300 667MHZ DDR2 240 PIN Fully Buffered FBDIMM for Apple Mac Pro | Yes | $442.30 | Free | $442.30 |
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. |
 |  | Corsair | CORSAIR VS4GBKIT667D2 4GB PC2-5300 (DDR2-667) DDR2 Memory Retail ***Free Shipping*** | Yes | $49.90 | Free | $49.90 |
 | Memory4Less | Kingston | Kingston 4GB PC2-5300 DDR2-667MHz non-ECC Unbuffered CL5 240-Pin DIMM Memory Module | Yes | $95.40 | $5.95 | $101.35 |
 | Upgrade Nation | generic | QIMONDA MEMORY 4GB DDR2-667 ECC FBDIMM HYS72T512920EFA-3S-C2 | Yes | $120.84 | Free | $120.84 |
 |  | generic | 4GB PC2-5300 667MHz DDR2-667 FULLY BUFFERED 240p DIMM, 1.8v | Yes | $125.00 | Free | $125.00 |
 |  | generic | 4GB PC2-5300 667MHz DDR2-667 ECC REGISTERED 240p DIMM, 1.8v | Yes | $125.00 | Free | $125.00 |
 |  | 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 240-pin PC2-5300 CL5 Registered ECC DDR2-667 Quad-Rank DIMM (p, n CJX) | Yes | $129.98 | $6.00 | $135.98 |
 |  | generic | 4GB DDR2-667 Fully Buffered ECC Memory - GSA (p, n BPA-GSA) | Yes | $175.89 | $6.00 | $181.89 |
 |  | Corsair | CORSAIR VSA4GBKITFB667D2 4GB PC2-5300 (DDR2-667) FBDIMM 240 ... (more) | Yes | $183.00 | Free | $183.00 w/coupon |
 |  | generic | 4GB Micron DDR2-667 Fully Buffered ECC Memory (p, n MPC-BPA) | Yes | $179.98 | $6.00 | $185.98 |
 |  | generic | 4GB PowerSpec DDR2-667 Fully Buffered ECC Memory (p, n PWRSP-4GB-DDR2-667-F) | Yes | $179.98 | $6.00 | $185.98 |
 |  | generic | 4GB NCS Technologies DDR2-667 Fully Buffered ECC DIMM (p, n NCS-4GB-DDR2667-FB) | Yes | $179.98 | $6.00 | $185.98 |
 | Memory4Less | Wintec | Wintec 4GB PC2-5300 DDR2-667MHz ECC Registered CL5 240-Pin DIMM Samsung Chip Memory Module ... (more) | Yes | $181.94 | $5.95 | $187.89 |
 | Crucial | Crucial | 4GB, 240-pin DIMM, DDR2 PC2-5300, ECC, 4GB, 240-pin DIMM, DDR2 PC2-5300, | Yes | $188.99 | Free | $188.99 |
 |  | generic | 4GB DDR2-667 (PC2-5300) 512x72 Registred CL5 1.9v 240 Pin. Dual Rank (Major on 3rd) | Yes | $195.00 | Free | $195.00 |
 | Memory4Less | Wintec | Wintec 4GB PC2-5300 DDR2-667MHz CL5 ECC Fully Buffered 1.181 Micron Chip 240-Pin DIMM RoHS ... (more) | Yes | $191.19 | $5.95 | $197.14 |
 | Upgrade Nation | Kingston | 4GB 667MHZ DDR2 CL5 FULLY BUFFERED ECC DIMM | Yes | $199.50 | Free | $199.50 |
 |  | generic | OEM 4GB PC2-5300 (667Mhz) 240 pin DDR2 DIMM ECC Reg Dual Rank (BVR) Manuf Part No 4.0G-PC2-5300ER | Yes | $199.85 | Free | $199.85 |
 |  | generic | 4GB 240p PC2-5300 non-ECC DDR2-667 DIMM - GSA (p, n CJM-GSA) | Yes | $195.43 | $6.00 | $201.43 |
 | Memory4Less | Kingston | 4GB D51272F51 PC2-5300 DDR2-667MHz Registered with Parity CL5 240-Pin DIMM Memory Module | Yes | $196.10 | $5.95 | $202.05 |
 |  | generic | 4GB 240p PC2-5300 non-ECC DDR2-667 DIMM (p, n CJM) | Yes | $199.98 | $6.00 | $205.98 |
 |  | generic | 4GB NCS Technologies 240-pin PC2-5300 DDR2-667 non-ECC DIMM (p, n NCS-4GB-DDR2-667-D) | Yes | $199.98 | $6.00 | $205.98 |
 |  | generic | OEM 4GB PC2-5300 (667Mhz) 240 pin DDR2 DIMM ECC Fully Buffered (BPA) Manuf Part No 4.0G-PC2-5300E-FB | Yes | $219.85 | Free | $219.85 |
 | Crucial | Crucial | 4GB, 240-pin DIMM, DDR2 PC2-5300, ECC, 4GB, 240-pin DIMM, DDR2 PC2-5300, | Yes | $219.99 | Free | $219.99 |
 |  | generic | 4GB 240pin PC2-5300 DDR2-667 Registered ECC DIMM - GSA (p, n BVR-GSA) | Yes | $214.98 | $6.00 | $220.98 |
 |  | generic | 4GB 240pin PC2-5300 DDR2-667 Registered ECC DIMM - GSA (p, n BWR-GSA) | Yes | $214.98 | $6.00 | $220.98 |
| See an error? Report a pricing error on 4GB Apple Mac Pro (667Mhz). |
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