Hardware Spec Index

Caldera SN-4681 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN4681-EDGE · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index6,787 (SSDs scale)
Category rank#11,152
Street price$99
Power7 W (active)
Performance per dollar68.56
Released2020

Specifications

BrandCaldera
ModelCaldera SN-4681 Edge
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read4,800 MB/s
Sequential write4,000 MB/s
Random 4K read850K IOPS
NAND3D QLC, 176-layer
CacheDRAM-less (HMB)
Endurance480 TBW (0.22 DWPD)
Warranty3 years
HeatsinkNone

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-4681 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/6848923 (accessed 2026-10-26).