Hardware Spec Index

Caldera SN-7551 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN7551-XT · Released 2020 · Updated 2026-10-27

Key facts

Benchmark index6,713 (SSDs scale)
Category rank#32,692
Street price$109
Power6 W (active)
Performance per dollar61.59
Released2020

Specifications

BrandCaldera
ModelCaldera SN-7551 XT
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,800 MB/s
Sequential write5,600 MB/s
Random 4K read1,130K IOPS
NAND3D QLC, 238-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-7551 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/77796578 (accessed 2026-10-27).