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Rectangular 2.5-inch enterprise SSD, silver metal casing with label showing model and capacity

Kioxia

Kioxia KCM6XRUL7T68 7.68TB enterprise SSD

SKU CH-XYR5-86BT7 MPN KCM6XRUL7T68

7.68 TB NVMe enterprise SSD with up to 6900 MB/s sequential read, 1.4 M IOPS random read, dual-port design and power-loss protection for 24×7 workloads

  • Capacity7.68TB
  • Memory ComponentsBiCS FLASH TLC
  • InterfacePCIe 4.0 1x4, 2x2, NVMe 1.4
  • Max Sequential ReadUp to 6900 MBps
  • Max Sequential WriteUp to 4000 MBps
  • 4KB Random ReadUp to 1,400,000 IOPS
  • 68 TB capacity handles large enterprise datasets
  • PCIe 4.0 x4 and NVMe 1.4 deliver 6900 MB/s sequential read
  • 4M random read IOPS accelerates transaction-heavy workloads
  • Dual-port U.3 design enables high-availability server deployments
  • 5 W idle and 20 W active power reduces data-centre energy use

Enterprise capacity and read-intensive design

The Kioxia CM6-R Series KCM6XRUL7T68 is a 7.68TB enterprise solid-state drive built for read-intensive server workloads. It uses proprietary 96-layer BiCS FLASH TLC memory with a Kioxia controller and firmware. The 2.5-inch, 15 mm Z-height form factor conforms to SFF-TA-1001 U.3 and works with tri-mode backplanes. Dual-port architecture supports high-availability deployments.

PCIe 4.0 x4 NVMe 1.4 interface

The drive connects through a PCIe 4.0 1x4, 2x2 interface compliant with the NVMe 1.4 specification. Sequential read reaches up to 6900 MBps while sequential write reaches up to 4000 MBps. Random 4KB read performance is rated up to 1,400,000 IOPS and random 4KB write up to 170,000 IOPS. This interface and performance profile determine whether the drive fits the target workload.

Power draw and thermal limits

Idle power consumption is 5W and active power consumption is 20W. The operating temperature range spans 0°C to 70°C with humidity tolerance from 5% to 95% RH. Shock resistance is rated at 9,800 m/s² for 0.5 ms and vibration resistance at 21.27 m/s² across 5 to 800 Hz. Six power modes help manage consumption during 24x7 operation.

Highlights

  • 68 TB capacity handles large enterprise datasets
  • PCIe 4.0 x4 and NVMe 1.4 deliver 6900 MB/s sequential read
  • 4M random read IOPS accelerates transaction-heavy workloads
  • Dual-port U.3 design enables high-availability server deployments
  • 5 W idle and 20 W active power reduces data-centre energy use

Specifications

BrandKIOXIA
SeriesCM6-R Series
ModelKCM6XRUL7T68
Capacity7.68TB
Memory ComponentsBiCS FLASH TLC
InterfacePCIe 4.0 1x4, 2x2, NVMe 1.4
Max Sequential ReadUp to 6900 MBps
Max Sequential WriteUp to 4000 MBps
4KB Random ReadUp to 1,400,000 IOPS
4KB Random WriteUp to 170,000 IOPS
FeaturesPCIe 4.0, NVMe 1.4 specification compliant
Form factor: 2.5-inch, 15 mm Z-height
Proprietary KIOXIA architecture: controller, firmware and BiCS FLASH 96-layer 3D TLC memory
SFF-TA-1001 conformant (U.3), works with Tri-mode controllers and backplanes
Dual-port design for high availability applications
6th generation, two-die failure recovery and double parity protection
High performance with lower power consumption
Power loss protection (PLP) and end-to-end data protection
Suited for 24x7 enterprise workloads
Data security options: SIE
Six power mode settings
Power Consumption (Idle)5W
Power Consumption (Active)20W
Operating Temperature0°C ~ +70°C
Operating Humidity5% to 95% RH
Max Shock Resistance9,800 m/s2 {1,000 G} (0.5 ms duration)
Max Vibration Resistance21.27 m/s2 {2.17 Grms} (5 to 800 Hz)
Height15.00mm
Width69.85mm
Depth100.45mm
Weight130.00g
Shipping weight0.23 kg
Package size152 × 119 × 25 mm

Questions about this item

How does the 7.68 TB capacity translate into usable space once the drive is installed in a server?

The drive presents 7.68 TB of raw capacity; the operating system will report a slightly lower figure due to binary-to-decimal conversion and the reserved area used for wear levelling and power-loss protection.

What does the PCIe 4.0 1x4, 2x2 interface actually limit in a live system?

The drive connects through a U.3 port using up to four PCIe 4.0 lanes, capping sequential throughput at the drive's rated 6,900 MB/s read and 4,000 MB/s write when the backplane and controller also support PCIe 4.0 x4.

Will the 15 mm Z-height fit in a standard 2.5-inch hot-swap bay?

Yes, the 15.00 mm height matches the SFF-TA-1001 U.3 form factor, so it slides into any 2.5-inch bay designed for 15 mm drives and works with tri-mode backplanes.

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