834596-001: (AREX3840S5xnNTRI – K2P91B – K2P91A) HPE 3Par 8000 – 3.84TB SSD – SAS interface – 2.5-inch SFF

Part 834596-001 from HPE is a 3.84 TB SAS SFF solid-state drive.

Where it fits

This SFF SAS part is intended for HPE systems with matching SFF bays. Send us your server model and we confirm fit with your quote.

Controller note

834596-001 is a SAS drive, so it needs a SAS-capable controller such as a Smart Array adapter or a storage enclosure with SAS drive channels. The embedded S100i software RAID supports SATA only.

Terms in this part

• SFF: small form factor, 2.5-inch

Same family, other capacities

3.84 TB is 834598-001; 15.36 TB is 867546-001; 7.68 TB is 869337-001; 800 GB is 873355-B21.

Cross-reference

834596-001 appears in HPE's records as the spare for option K2P91B (hpe 3par 8000 3.84tb sas sff (2.5in) ssd with all-inclusive single-system software).

Other SSD SFF SAS - parts you may be comparing: E7W24B, E7W24B, E7Y55A, E7Y55A, E7Y57A, K2Q91A.

Additional facts

• HPE lists 834596-001 (3PAR drive model AREX3840S5xnNTRI) as a spare for option K2P91B, HPE 3PAR 8000 3.84TB SAS SFF SSD. (source)
• Other HPE spares under K2P91B: 873101-001 (DDYE3840S5xnNMRI, HPE's preferred spare, replacing 810773-001 per advisory a00039641en_us) and 879391-001 (limited supply; alternate P08721-001, needs a higher 3PAR OS level). (source)
• For use with 3PAR StoreServ 8000 only (3PAR-formatted drive); remove any Smart Array / S100i / ProLiant -B21 server text. (source)
• HPE: K2P91B no longer supported as of Aug-31-2026; service parts may not be available. (source)