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RamCity guarantees 100% that all modules below are compatible with the IBM/Lenovo x Series System Server x3400 (7973, 7974, 7975, 7976-xxx)

Kingston 8GB ECC Fully Buffered 240-pin FB-DIMM Kit (2x4GB)

Part #. KTM5780/8G • DDR2-667 / PC2-5300 • ECC • Fully Buffered • 1.8V • more info

Buy new: $832.99 $650.99

Ships in 7 Days Free Shipping Guaranteed Compatible

Kingston 8GB ECC Fully Buffered 240-pin LP FB-DIMM Kit (2x4GB)

Part #. KTM5780LP/8G • DDR2-667 / PC2-5300 • ECC • Fully Buffered • Low Power • 1.8V • more info

Buy new: $657.99 $513.99

1 in Stock Free Shipping Guaranteed Compatible

Kingston 4GB ECC Fully Buffered 240-pin FB-DIMM Kit (2x2GB)

Part #. KTM5780/4G • DDR2-667 / PC2-5300 • ECC • Fully Buffered • 1.8V • more info

Buy new: $377.99 $294.99

Ships in 7 Days Free Shipping Guaranteed Compatible

Kingston 4GB ECC Fully Buffered 240-pin LP FB-DIMM Kit (2x2GB)

Part #. KTM5780LP/4G • DDR2-667 / PC2-5300 • ECC • Fully Buffered • Low Power • 1.8V • more info

Buy new: $384.99 $300.99

7 in Stock Free Shipping Guaranteed Compatible

Kingston 2GB ECC Fully Buffered 240-pin LP FB-DIMM Kit (2x1GB)

Part #. KTM5780LP/2G • DDR2-667 / PC2-5300 • ECC • Fully Buffered • Low Power • 1.8V • more info

Buy new: $205.99 $160.99

Ships in 7 Days Free Shipping Guaranteed Compatible

Kingston 2GB ECC Fully Buffered 240-pin FB-DIMM Kit (2x1GB)

Part #. KTM5780/2G • DDR2-667 / PC2-5300 • ECC • Fully Buffered • 1.8V • more info

Buy new: $263.99 $205.99

Ships in 7 Days Free Shipping Guaranteed Compatible

We guarantee your memory upgrade will be 100% compatible, or return it within 1 Whole Year for a full refund.

Need some help installing your upgrade? See our guides and videos.

System Specifications

Standard Memory:

1GB (Removable)

Maximum Memory:

32GB

Expansion:

8 Sockets (4 banks of 2)

CPU/Chipset:

Intel Xeon

Bus Architecture:

PCI Express; PCI-X

Mfr's System P/N's:

7973-xxx; 7974-xxx; 7975-xxx; 7976-xxx

Upgrade Path:

Any combination of 1, 2, 4, and 8GB kits can be installed to reach configurations up to 32GB.

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RamCity guarantees 100% that all modules below are compatible with the IBM/Lenovo x Series System Server x3400 (7973, 7974, 7975, 7976-xxx)

Kingston 8GB ECC Fully Buffered 240-pin FB-DIMM Kit (2x4GB)

Kingston 8GB ECC Fully Buffered 240-pin LP FB-DIMM Kit (2x4GB)

Kingston 4GB ECC Fully Buffered 240-pin FB-DIMM Kit (2x2GB)

Kingston 4GB ECC Fully Buffered 240-pin LP FB-DIMM Kit (2x2GB)

Kingston 2GB ECC Fully Buffered 240-pin LP FB-DIMM Kit (2x1GB)

Kingston 2GB ECC Fully Buffered 240-pin FB-DIMM Kit (2x1GB)