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Toshiba MK4001GRZB 400GB 2.5" SFF SLC SAS SSD Drive

Item Number: TOS-MK4001GRZB-BN-5Y
Manufacturer's Part Number: MK4001GRZB
Contact us about MK4001GRZBGet help regarding MK4001GRZB

Toshiba MK4001GRZB 400GB SFF 2.5in SLC / Single-level Cell Write Optimized Enterprise Serial Attached SCSI / SAS NAND Solid State Drive SSD - Brand New

MK4001GRZB SCSI Hard Drive Photo

MK4001GRZB SCSI Hard Drive Photo MK4001GRZB SCSI Hard Drive Photo MK4001GRZB SCSI Hard Drive Photo MK4001GRZB SCSI Hard Drive Photo
Price: $1,995.00
Condition: Brand New - What does this mean?
Warranty: 5 Year - Manufacturer - What does this mean?
Drive Summary

Capacity: 400GB
Spindle Speed: Solid State Memory - SLC
Interface Type: SAS / Serial Attached SCSI
Disk Size: 2.5"x15mm (SFF Hard Drive)
Sustained Throughput (MBps): 530
Average Seek Time (read/write ms):
Electrical Interface Speed: SAS-2 / Serial Attached SCSI (Generation 2) - 6.0Gbps
On-Board Cache:

MK4001GRZB SCSI Hard Drive Description  MK4001GRZB SCSI Hard Drive Specifications  MK4001GRZB SCSI Hard Drive Condition  MK4001GRZB SCSI Hard Drive Warranty  MK4001GRZB SCSI Hard Drive Photographs
Brand New - What does this mean?
5 Year - Manufacturer - What does this mean?
Related Items

Here are a few other SAS related products:

Dell G176J / Y961D / G281D 2.5" SAS Hard Drive Tray/Caddy

Brand New - $39.00

Dell KF248 / F830C 2.5" SAS Hard Drive Tray / Caddy

Brand New - $34.00

HP Proliant 651687-001 Gen8 SFF 2.5" SATA SAS drive Tray Caddy

New Pull - $35.00

IBM 44T2216 SAS / SCSI SFF Hard Drive Tray / Caddy

Brand New - $22.00

Pliant Lightning LB 150S 2.5" Solid State Drive

New Pull - $1,995.00

HP Proliant 378343-002 2.5" SATA / SAS Hard Disk Drive Tray / Caddy

Used Pull - $17.95
Detailed Description

Toshiba's high endurance 2.5" Enterprise-Class SSD Architecture optimized for teir-0 high performance, write-intensive applications, such as OLTP, HPC, and high-performance databases.

Highlights and Key Features:

  • 32nm Enterprise Grade Single-level Cell (SLC) NAND Flash Memory
  • 6 Gb/sec Serial Attached SCSI (SAS) Interface
  • 400GB Storage Capacity
  • Random Sustained 90,000 read and 16,000 Write IOPS 
  • Sequential Sustained 500MB/s Read and 250MB/s Write Throughput

Dell PNs: R2PJ7 0R2PJ7


This drive is compatible with any server that accepts small form factor (SFF) SAS hard drives


Drive specification



400GB NAND Flash Memory

Interface Type

SAS II 6Gb/s

NAND Technology

32nm SLC

Dimensions WxDxH

2.75" (69.85mm) x 3.94" (100mm) x 0.59" (15mm)


152g (5.36 oz)
Operating Temp

0-55C or 32-131F

Form Factor


Click here to view the manufacturers item description/brochure