Hardware Spec Index

Altrix SN-6557 Plus 1TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN6557-PLUS · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index6,428 (SSDs scale)
Category rank#836
Street price$79
Power4 W (active)
Performance per dollar81.37
Released2019

Specifications

BrandAltrix
ModelAltrix SN-6557 Plus
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,200 MB/s
Sequential write2,000 MB/s
Random 4K read600K IOPS
NAND3D QLC, 218-layer
CacheDRAM-less (HMB)
Endurance240 TBW (0.22 DWPD)
Warranty3 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

Similar SSDs

ModelBenchmarkPriceCompare
Mirenta SN-2041 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD7,913$169Compare
Novexa SN-3274 Prime 500GB PCIe 4.0 NVMe M.2 2280 SSD6,201$89Compare
Altrix SN-3089 Max 2TB PCIe 5.0 NVMe M.2 2280 SSD10,105$319Compare
Altrix SN-1359 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD14,198$459Compare
Novexa SN-6908 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD6,611$119Compare
Mirenta SN-6284 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD5,439$59Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Altrix SN-6557 Plus 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/73316703 (accessed 2026-10-20).