Hardware Spec Index

Novexa SN-6638 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN6638-XT · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index13,828 (SSDs scale)
Category rank#34,123
Street price$529
Power7 W (active)
Performance per dollar26.14
Released2020

Specifications

BrandNovexa
ModelNovexa SN-6638 XT
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read4,800 MB/s
Sequential write3,800 MB/s
Random 4K read730K IOPS
NAND3D TLC, 218-layer
CacheDDR4 DRAM, 8 GB
Endurance4,800 TBW (0.33 DWPD)
Warranty5 years
HeatsinkNone

Related guides

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

Similar SSDs

ModelBenchmarkPriceCompare
Strivon SN-6657 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD7,911$159Compare
Caldera SN-2844 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD10,216$289Compare
Altrix SN-1181 Edge 4TB PCIe 4.0 NVMe M.2 2280 SSD11,835$449Compare
Strivon SN-9032 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD6,112$89Compare
Altrix SN-7531 Pro 8TB PCIe 4.0 NVMe M.2 2280 SSD14,105$589Compare
Caldera SN-2144 Pro 8TB PCIe 5.0 NVMe M.2 2280 SSD14,072$509Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Novexa SN-6638 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/1837898 (accessed 2026-10-26).