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Rectangular 2.5 inch drive, 15 mm thick, silver metal casing with label

Kioxia

Kioxia CM7-R 3.84 TB internal SSD

SKU CH-R8QV-YEZME

Read-intensive enterprise SSD with 3.84 TB capacity, PCIe 5.0 interface, 112-layer 3D TLC and 1 DWPD endurance

  • Product typeInternal Solid State Drive (SSD)
  • PCIe 5.0 and NVMe 2.0 deliver up to 2,700K random read IOPS
  • 112-layer BiCS FLASH 3D TLC provides 3.84 TB capacity with 1 DWPD endurance
  • Dual-port design enables high availability for enterprise workloads
  • Power loss protection and end-to-end data protection safeguard data integrity
  • U.3 SFF-TA-1001 compliant 2.5-inch 15 mm form factor fits standard bays

Enterprise Read-Intensive SSD

The Kioxia CM7-R is a 3.84 TB internal solid-state drive built for enterprise workloads that prioritise read performance. It targets business intelligence, online transaction processing, software-defined storage and virtualisation clusters. The drive uses a proprietary Kioxia controller with 112-layer BiCS FLASH 3D TLC and complies with PCIe 5.0 and NVMe 2.0 specifications. Dual-port connectivity supports high-availability deployments.

Upgrade from PCIe 4.0 or lower endurance drives

Moving from a PCIe 4.0 NVMe SSD or a drive rated below 1 DWPD is worthwhile when random read throughput above 2,700K IOPS and random write above 310K IOPS reduce application latency. The 15 mm 2.5-inch form factor and SFF-TA-1001 U.3 compliance allow it to slot into existing enterprise backplanes that accept that standard. Power-loss protection and end-to-end data protection preserve data integrity during unexpected outages.

Verify U.3 backplane and PCIe 5.0 host support

Confirm the server or storage chassis provides a U.3-compatible 2.5-inch bay with 15 mm clearance and dual-port cabling. The host must expose PCIe 5.0 x4 lanes to achieve the stated IOPS figures. Ensure the platform firmware recognises NVMe 2.0 features and that the operating system includes drivers for dual-port namespace management.

How it compares

Measured against everything we stock in Internal NVMe & SATA SSDs, at today’s prices. Recalculated every night.

Price $4,237.99
Pricier than about 93% of the 1,994 comparable items (median $180.49).

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Specifications

Product
Product typeInternal Solid State Drive (SSD)

Questions about this item

Does this drive fit a standard 2.5-inch U.3 bay?

Yes, it uses the 2.5-inch form factor at 15 mm thickness and conforms to the SFF-TA-1001 U.3 specification, so it will install in any compatible U.3 backplane.

What endurance rating does the CM7-R carry for write-heavy workloads?

The drive is rated at 1 DWPD, meaning it can sustain one full drive write per day over its warranty period, which is typical for read-intensive enterprise workloads.

Which PCIe generation and NVMe version does the SSD support?

It supports PCIe 5.0 and is compliant with the NVMe 2.0 specification, delivering up to 2,700K random read IOPS and 310K random write IOPS.

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