Quick overview from the supplier:
Fujitsu PY TX150S8F E5-2420/8GB/DVD-RW/LFF/450W PSU
S26361-K1424-V201 : PY TX150S8f/LFF/for hot-plug PSU : 1
S26361-F3723-E190 : Intel Xeon E5-2420 6C/12T 1.90 GHz 15 MB : 1
S26361-F3694-E10 : Independent Mode Installation : 1
S26361-F3697-E515 : 8GB (1x8GB) 2Rx4 L DDR3-1600 R ECC : 1
S26361-F3267-E2 : DVD-RW supermulti 1.6" SATA : 1
S26361-F1452-E100 : region kit APAC/America/EMEA/India : 1
S26113-F575-E10 : Modular PSU 450W platinum hp : 1
T26139-Y3850-E10 : No powercord as order option : 1
S26113-F574-E99 : Power Supply Dummy : 1
