Hardware Spec Index

Caldera SN-7621 XT 1TB PCIe 4.0 NVMe M.2 2230 SSD

SSDs · Caldera · SKU SN7621-XT · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index7,250 (SSDs scale)
Category rank#1,158
Street price$129
Power8 W (active)
Performance per dollar56.20
Released2021

Specifications

BrandCaldera
ModelCaldera SN-7621 XT
Capacity1 TB
Form factorM.2 2230
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,300 MB/s
Sequential write6,900 MB/s
Random 4K read1,150K 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-7621 XT 1TB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/94555695 (accessed 2026-10-22).