Hardware Spec Index

Altrix SN-4855 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN4855-PLUS · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index4,649 (SSDs scale)
Category rank#9,000
Street price$59
Power5 W (active)
Performance per dollar78.80
Released2020

Specifications

BrandAltrix
ModelAltrix SN-4855 Plus
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,400 MB/s
Sequential write5,100 MB/s
Random 4K read1,170K IOPS
NAND3D QLC, 176-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-4855 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/76350200 (accessed 2026-10-19).