Hardware Spec Index

Altrix SN-6646 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN6646-XT · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index12,412 (SSDs scale)
Category rank#3,481
Street price$379
Power6 W (active)
Performance per dollar32.75
Released2022

Specifications

BrandAltrix
ModelAltrix SN-6646 XT
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,400 MB/s
Sequential write5,600 MB/s
Random 4K read910K IOPS
NAND3D TLC, 176-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
Novexa SN-2616 Max 4TB PCIe 4.0 NVMe M.2 2280 SSD12,116$409Compare
Mirenta SN-2009 Pro 500GB PCIe 4.0 NVMe M.2 2280 SSD4,894$49Compare
Caldera SN-4420 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD9,932$259Compare
Novexa SN-9691 Plus 2TB PCIe 5.0 NVMe M.2 2280 SSD12,516$449Compare
Altrix SN-1404 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD4,545$59Compare
Caldera SN-3741 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD9,944$269Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Altrix SN-6646 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/46560431 (accessed 2026-10-24).