Hardware Spec Index

Caldera SN-6121 XT 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN6121-XT · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index6,344 (SSDs scale)
Category rank#33,644
Street price$89
Power5 W (active)
Performance per dollar71.28
Released2026

Specifications

BrandCaldera
ModelCaldera SN-6121 XT
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,200 MB/s
Sequential write3,500 MB/s
Random 4K read1,310K IOPS
NAND3D TLC, 218-layer
CacheDRAM-less (HMB)
Endurance300 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-6121 XT 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/99862220 (accessed 2026-10-20).