Hardware Spec Index

Caldera SN-9958 Plus 500GB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN9958-PLUS · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index4,594 (SSDs scale)
Category rank#10,670
Street price$49
Power4 W (active)
Performance per dollar93.76
Released2019

Specifications

BrandCaldera
ModelCaldera SN-9958 Plus
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,800 MB/s
Sequential write1,800 MB/s
Random 4K read540K IOPS
NAND3D TLC, 176-layer
CacheDRAM-less (HMB)
Endurance300 TBW (0.55 DWPD)
Warranty3 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-9958 Plus 500GB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4936285 (accessed 2026-10-23).