Hardware Spec Index

Altrix SN-1977 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN1977-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index5,146 (SSDs scale)
Category rank#20,646
Street price$59
Power6 W (active)
Performance per dollar87.22
Released2021

Specifications

BrandAltrix
ModelAltrix SN-1977 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,000 MB/s
Sequential write6,800 MB/s
Random 4K read970K IOPS
NAND3D QLC, 238-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

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Cite this page: Hardware Spec Index, “Altrix SN-1977 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/6712993 (accessed 2026-10-22).