The KIOXIA XD8 3.84 TB is a read-intensive data center SSD in the E1.S (9.5 mm) form factor with a PCIe 5.0, NVMe 2.0 interface (base model, no SED or SIE). It is rated for 1 DWPD (drive writes per day).

KIOXIA rates this 3.84 TB model at up to 12,500 MB/s sustained sequential read and 5,800 MB/s sequential write (128 KiB), with up to 2,300K IOPS sustained 4 KiB random read and 200K IOPS random write.

Specifications

• Series: KIOXIA XD8 (read-intensive)
• Capacity: 3,840 GB (3.84 TB)
• Form factor: E1.S (9.5 mm)
• Interface: PCIe 5.0, NVMe 2.0
• Sustained sequential read / write (128 KiB, up to): 12,500 / 5,800 MB/s
• Sustained random read / write (4 KiB, up to): 2,300K / 200K IOPS
• Endurance: 1 DWPD
• MTTF: 2,500,000 hours
• Power (active, typical): 20 W
• Power (ready, typical): 5 W
• Security option: Base (no SED/SIE)

Source: KIOXIA dSSD-XD8-product-brief. Capacity uses decimal units (1 TB = 1,000,000,000,000 bytes); an operating system reports less. Performance figures are KIOXIA's maximum ratings. Specifications are subject to change.