Hardware Spec Index

Caldera SN-9558 SE 8TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN9558-SE · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index14,900 (SSDs scale)
Category rank#26,909
Street price$559
Power5 W (active)
Performance per dollar26.65
Released2020

Specifications

BrandCaldera
ModelCaldera SN-9558 SE
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read4,900 MB/s
Sequential write3,900 MB/s
Random 4K read730K IOPS
NAND3D TLC, 232-layer
CacheDDR4 DRAM, 8 GB
Endurance4,800 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

Similar SSDs

ModelBenchmarkPriceCompare
Novexa SN-9594 Plus 8TB PCIe 5.0 NVMe M.2 2280 SSD14,900$509Compare
Altrix SN-1052 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD7,907$149Compare
Caldera SN-4089 Core 8TB PCIe 4.0 NVMe M.2 2280 SSD13,578$539Compare
Novexa SN-2780 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD9,753$239Compare
Novexa SN-3855 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD6,321$89Compare
Caldera SN-3112 Ultra 1TB SATA 2.5-inch SSD3,714$39Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-9558 SE 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/5924470 (accessed 2026-10-19).