Hardware Spec Index

Caldera SN-4955 SE 8TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN4955-SE · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index14,666 (SSDs scale)
Category rank#19,000
Street price$489
Power6 W (active)
Performance per dollar29.99
Released2023

Specifications

BrandCaldera
ModelCaldera SN-4955 SE
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read4,800 MB/s
Sequential write3,800 MB/s
Random 4K read1,180K IOPS
NAND3D TLC, 218-layer
CacheDDR4 DRAM, 8 GB
Endurance4,800 TBW (0.33 DWPD)
Warranty5 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

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Cite this page: Hardware Spec Index, “Caldera SN-4955 SE 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/933801 (accessed 2026-10-23).