Hardware Spec Index

Caldera SN-6420 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN6420-PRO · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index7,916 (SSDs scale)
Category rank#9,864
Street price$149
Power8 W (active)
Performance per dollar53.13
Released2022

Specifications

BrandCaldera
ModelCaldera SN-6420 Pro
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,600 MB/s
Sequential write5,000 MB/s
Random 4K read1,100K IOPS
NAND3D TLC, 176-layer
CacheDRAM-less (HMB)
Endurance600 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

Similar SSDs

ModelBenchmarkPriceCompare
Strivon SN-6258 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD9,111$219Compare
Caldera SN-1326 Prime 500GB PCIe 4.0 NVMe M.2 2280 SSD6,679$99Compare
Mirenta SN-5269 Ti 4TB PCIe 4.0 NVMe M.2 2280 SSD13,088$459Compare
Strivon SN-7453 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD13,919$499Compare
Altrix SN-3638 Plus 2TB PCIe 4.0 NVMe M.2 2230 SSD13,132$429Compare
Strivon SN-3723 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD9,445$249Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-6420 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/18979541 (accessed 2026-10-26).