Hardware Spec Index

Caldera SN-1248 Plus 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN1248-PLUS · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index4,971 (SSDs scale)
Category rank#30,916
Street price$49
Power5 W (active)
Performance per dollar101.45
Released2021

Specifications

BrandCaldera
ModelCaldera SN-1248 Plus
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,700 MB/s
Sequential write3,200 MB/s
Random 4K read840K 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-1248 Plus 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/1946282 (accessed 2026-10-23).