Hardware Spec Index

Altrix SN-7638 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN7638-ULTRA · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index7,030 (SSDs scale)
Category rank#23,195
Street price$109
Power4 W (active)
Performance per dollar64.50
Released2019

Specifications

BrandAltrix
ModelAltrix SN-7638 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read3,100 MB/s
Sequential write2,400 MB/s
Random 4K read550K IOPS
NAND3D TLC, 238-layer
CacheDRAM-less (HMB)
Endurance600 TBW (0.33 DWPD)
Warranty5 years
HeatsinkHeatsink edition available

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 4.0 vs PCIe 5.0

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Cite this page: Hardware Spec Index, “Altrix SN-7638 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/8425922 (accessed 2026-10-22).