What NAND technology is used?

Utilizes Intel enterprise multi-level cell (eMLC) 25nm NAND, providing a balance of capacity and endurance for sustained workloads.

What is the form factor and weight?

The drive is in a 2.5-inch form factor with 15mm height and maximum weight of 206g, fitting standard server enclosures.

What are the operating temperature and durability specs?

Supports ambient temperatures from 0 to 60C, with shock resistance of 1000G (0.5ms) or 500G (2ms), and 2.16G RMS vibration across 5-700Hz on all axes.

0B26587 - Hitachi Ultrastar 400GB SAS 2.5 inch SSD

Name: 0B26587 - Hitachi Ultrastar 400GB SAS 2.5 inch SSD
Brand: Hitachi
SKU: 0B26587

0B26587 - Hitachi Ultrastar 400GB SAS 2.5 inch SSD | US IT Hardware

Product overview

The Hitachi Ultrastar SSD400M, identified by SKU 0B26587, is an enterprise-grade solid state drive designed for high-reliability storage applications. It features a 400GB capacity using Intel 25nm enterprise multi-level cell (eMLC) NAND, specifically 39 NAND chips providing 624GB raw capacity with 400GB usable. The drive employs an Intel EW29AA31AA1 controller and supports a dual-port SAS 6Gb/s interface. Additional components include 512MB DDR2 SDRAM from Hynix (H5PS1G83EFR 1Gb x 4). The 2.5-inch form factor has a 15mm height and smooth stainless steel body. Weight is 206g maximum for the 400GB model. It operates in ambient temperatures from 0 to 60 degrees Celsius, withstands shock of 1000G for 0.5ms or 500G for 2ms, and vibration of 2.16G RMS across all axes from 5 to 700 Hz. Optional TCG self-encryption is available.

400GB Intel 25nm eMLC NAND capacity
Dual-port SAS 6Gb/s interface
Intel EW29AA31AA1 controller
512MB Hynix DDR2 SDRAM cache
2.5-inch 15mm height form factor
206g weight, 0-60C operation

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Product Type
Manufacturer part #	0B26587
Brand	Hitachi
Condition	New
Model	SSD400M
Capacity	400GB
Cell Type	MLC
Controller	Intel EW29AA31AA1
Drive Type	Internal
Error Rate	1 in 10^16
Form Factor	2.5 inch
Product Line	Ultrastar

Best for

Enterprise Storage
Suitable for enterprise environments requiring 400GB capacity with dual-port SAS 6Gb/s interface and Intel 25nm eMLC NAND for reliable data handling.
Data Centers
Supports data center operations with 2.5-inch form factor, 0-60C temperature range, and shock resistance up to 1000G.
Server Applications
Provides server-grade performance using Intel EW29AA31AA1 controller and 512MB DDR2 cache in a 206g lightweight design.

Frequently asked questions

What is the storage capacity of the Hitachi 0B26587?

The Hitachi Ultrastar SSD400M 0B26587 provides 400GB usable capacity from Intel 25nm eMLC NAND with 39 chips yielding 624GB raw storage. This suits enterprise applications requiring substantial data volume.

What interface does this SSD use?

Details

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SAS Enterprise SSDs 400GB Enterprise SSDs 2.5-inch Enterprise SSDs Enterprise SSDs

MTBF	2000000 Hour(s)
Endurance	7.3 PB
NAND Type	25nm Intel eMLC
IOPS per Watt	8360
Random Read IOPS	56000
Random Write IOPS	24000

Dual Port	Yes
Interface	SAS 6Gbps
Drive Interface	SAS
Interface Standard	6Gb/s SAS

Hitachi Ultrastar 400GB SAS 2.5 inch SSD

Product overview

Featuring

Best for

Frequently asked questions

Details

Shipping, warranty & returns

Customer reviews

Performance

Networking Ports & Interfaces

Hitachi Ultrastar 400GB SAS 2.5 inch SSD

Product overview

Featuring

Best for

Frequently asked questions

Details

Shipping, warranty & returns

Customer reviews

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Performance

Networking Ports & Interfaces