Hardware Spec Index

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

SSDs · Altrix · SKU SN6656-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index6,233 (SSDs scale)
Category rank#8,309
Street price$99
Power6 W (active)
Performance per dollar62.96
Released2021

Specifications

BrandAltrix
ModelAltrix SN-6656 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,200 MB/s
Sequential write6,800 MB/s
Random 4K read1,240K IOPS
NAND3D TLC, 232-layer
CacheDRAM-less (HMB)
Endurance600 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-4531 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD10,621$289Compare
Novexa SN-6112 Pro 4TB PCIe 5.0 NVMe M.2 2280 SSD14,782$499Compare
Mirenta SN-1339 SE 1TB PCIe 3.0 NVMe M.2 2280 SSD6,314$89Compare
Novexa SN-9272 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD9,092$209Compare
Strivon SN-7028 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD6,972$139Compare
Mirenta SN-4846 Plus 500GB PCIe 4.0 NVMe M.2 2280 SSD5,045$49Compare

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/44554384 (accessed 2026-10-23).