Hardware Spec Index

Caldera SN-6555 XT 2TB PCIe 4.0 NVMe M.2 2230 SSD

SSDs · Caldera · SKU SN6555-XT · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index6,902 (SSDs scale)
Category rank#537
Street price$119
Power7 W (active)
Performance per dollar58.00
Released2025

Specifications

BrandCaldera
ModelCaldera SN-6555 XT
Capacity2 TB
Form factorM.2 2230
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,600 MB/s
Sequential write5,300 MB/s
Random 4K read1,040K IOPS
NAND3D TLC, 232-layer
CacheDRAM-less (HMB)
Endurance1,200 TBW (0.33 DWPD)
Warranty5 years
HeatsinkHeatsink edition available

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-6555 XT 2TB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/538385 (accessed 2026-10-19).