4GB DDR2-800 ECC REG Rank-2
Hynix 4GB DDR2-800 ECC REG Rank-2 240pin (HYMP151R72CP4-S6 AB / 4GB 2Rx4 PC2-6400P-666-12) - 4GB Module - DDR2 - ECC - Registered - PC2-3200

16GB DDR4-3200 VLP ECC RDIMM
16GB Module - DDR4 - ECC - Registered - Very Low Profile - 3200MT/s - PC4-25600 - 22ns CAS Latency - 1.2V - 5 Year Depot Carry-In Mfg. Warranty

1TB AV-25 HDD 5400rpm 2.5" SATA 3.0Gbps
1TB - 5400RPM - 2.5" Width - 9.5mm Thick - SATA 3.0Gbps - 144MB/s Max. Sustained Speed - 16MB Cache - 3 Year Depot Carry-In Mfg. Warranty

8GB DDR2-667 ECC Fully Buffered FB-DIMM
8GB DDR2-667MHz PC2-5300 - ECC Fully Buffered FB-DIMM - Dual Rank x4 CL5 1.8V - 8GB 8GB) - DDR2 - ECC - Fully Buffered - 667MT/s

1TB BarraCuda 5400rpm 2.5" SATA 6.0Gbps
1TB - 5400RPM - SMR Recording Technology - 2.5" Width - 7.0mm Thick - SATA 6.0Gbps - 140MB/s Max. Sustained Speed - 128MB Cache - 512e/4Kn Sector Format - 2 Year Depot Carry-In Mfg. Warranty

1TB WD Blue Mobile 5400rpm 2.5" SATA 6.0Gbps
1TB - 5400RPM - SMR Recording Technology - 2.5" Width - 7.0mm Thick - SATA 6.0Gbps - 150MB/s Max. Sustained Speed - 128MB Cache - 2 Year Depot Carry-In Mfg. Warranty

1GB PC2-5300 ECC Registered DDR2-667
1024MB PC2-5300 DDR2-667 Registered ECC (2-Rank) (Non-Returnable/Non-Exchangable)