16GB KIT (4 x 4GB) For Tyan Thunder Series h2000M (S3992) h2000M (S3992-E) h2000M (S3992G3NR-RS) i7525 (S2676) n3600B (S2927) n3600M (S2932) n3600M (S2932-E) n3600QE (S4980) n3600QX (S4987) n3600R (S2912) n3600R (S2912-E) n3600S (S2933) n3600T (S2937) n3600W (S2935) n4250QE (S4985) n4250QE (S4985-E) n4250QE (S4985-SI) (ECC Registered) n6550EX (S4989) n6550EX (S4989-SI) (ECC Registered). DIMM DDR2 ECC Registered PC2-5300 667MHz Single Rank RAM Memory. Genuine A-Tech Brand. 16GB KIT (4 x 4GB) DIMM DDR2 ECC Registered PC2-5300 667MHz Single Rank RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Tyan Thunder Series. (See Compatibility List Below)