Hardware Spec Index

Altrix SN-4855 Pro 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN4855-PRO · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index5,492 (SSDs scale)
Category rank#11,329
Street price$69
Power8 W (active)
Performance per dollar79.59
Released2021

Specifications

BrandAltrix
ModelAltrix SN-4855 Pro
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,800 MB/s
Sequential write4,000 MB/s
Random 4K read780K IOPS
NAND3D TLC, 176-layer
CacheDRAM-less (HMB)
Endurance300 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

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Cite this page: Hardware Spec Index, “Altrix SN-4855 Pro 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/1901669 (accessed 2026-10-25).