Hardware Spec Index

Caldera SN-6991 Edge 500GB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN6991-EDGE · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index6,339 (SSDs scale)
Category rank#40,362
Street price$89
Power6 W (active)
Performance per dollar71.22
Released2019

Specifications

BrandCaldera
ModelCaldera SN-6991 Edge
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,700 MB/s
Sequential write1,700 MB/s
Random 4K read380K IOPS
NAND3D TLC, 238-layer
CacheDRAM-less (HMB)
Endurance300 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-6991 Edge 500GB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/1935855 (accessed 2026-10-23).