Hardware Spec Index

Caldera SN-4657 XT 2TB PCIe 4.0 NVMe M.2 2230 SSD

SSDs · Caldera · SKU SN4657-XT · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index9,065 (SSDs scale)
Category rank#49,100
Street price$229
Power5 W (active)
Performance per dollar39.59
Released2020

Specifications

BrandCaldera
ModelCaldera SN-4657 XT
Capacity2 TB
Form factorM.2 2230
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,000 MB/s
Sequential write5,500 MB/s
Random 4K read1,100K IOPS
NAND3D TLC, 218-layer
CacheDDR4 DRAM, 2 GB
Endurance1,200 TBW (0.33 DWPD)
Warranty5 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-4657 XT 2TB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/4445568 (accessed 2026-10-25).