4GB KIT (2 x 2GB) For Tyan Tempest Series i5000PT (S5383) i5000PW (S5382) i5000PW (S5382WAG2NRF) i5000PX (S5380) i5000PX (S5380G2NR) i5000VF (S5370) i5000VF (S5370G2NR) i5000VS (LC) (S5372-LC) i5000VS (S5372) i5000VS (S5372G3NR) (ECC Fully Buffered) i5000VS (S5372-H) i5000VS (S5372-LH) i5000VS-LC (S5372-LC) i5000XL (S2692) i5000XL (S2692A2NR) i5000XT (S2696) i5000XT (S2696WA2NRF) i5400PL (S5393). DIMM DDR2 ECC Fully Buffered PC2-5300 667MHz RAM Memory. Genuine A-Tech Brand. 4GB KIT (2 x 2GB) DIMM DDR2 ECC Fully Buffered PC2-5300 667MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Tyan Tempest Series. (See Compatibility List Below)