Hardware Spec Index

Altrix SN-6656 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN6656-ULTRA · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index5,466 (SSDs scale)
Category rank#10,979
Street price$69
Power6 W (active)
Performance per dollar79.22
Released2022

Specifications

BrandAltrix
ModelAltrix SN-6656 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,300 MB/s
Sequential write6,000 MB/s
Random 4K read1,320K IOPS
NAND3D QLC, 232-layer
CacheDRAM-less (HMB)
Endurance360 TBW (0.33 DWPD)
Warranty3 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
Altrix SN-9445 XT 500GB SATA 2.5-inch SSD4,543$49Compare
Novexa SN-2247 Max 500GB SATA 2.5-inch SSD3,871$39Compare
Altrix SN-9824 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD9,853$259Compare
Novexa SN-6296 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD11,466$369Compare
Caldera SN-3838 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD9,245$229Compare
Novexa SN-1496 Edge 1TB SATA 2.5-inch SSD4,020$39Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Altrix SN-6656 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7702644 (accessed 2026-10-23).