Hardware Spec Index

Caldera SN-3891 Core 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN3891-CORE · Released 2025 · Updated 2026-10-18

Key facts

Benchmark index6,696 (SSDs scale)
Category rank#25,141
Street price$99
Power5 W (active)
Performance per dollar67.64
Released2025

Specifications

BrandCaldera
ModelCaldera SN-3891 Core
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,600 MB/s
Sequential write5,300 MB/s
Random 4K read1,250K IOPS
NAND3D QLC, 176-layer
CacheDRAM-less (HMB)
Endurance240 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-3891 Core 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/46357087 (accessed 2026-10-18).