Hardware Spec Index

Caldera SN-6428 Prime 1TB SATA 2.5-inch SSD

SSDs · Caldera · SKU SN6428-PRIME · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index3,546 (SSDs scale)
Category rank#10,789
Street price$29
Power3 W (active)
Performance per dollar122.28
Released2026

Specifications

BrandCaldera
ModelCaldera SN-6428 Prime
Capacity1 TB
Form factor2.5" SATA (7 mm)
InterfaceSATA 6 Gb/s (AHCI)
Sequential read550 MB/s
Sequential write520 MB/s
Random 4K read98K IOPS
NAND3D TLC, 232-layer
CacheDRAM-less (SLC cache)
Endurance600 TBW (0.55 DWPD)
Warranty3 years
HeatsinkNone

Related guides

SSD Endurance ExplainedDRAM vs DRAM-less SSDsNVMe SSDs ExplainedPCIe 4.0 vs PCIe 5.0M.2 SSD Sizes and Keys

Similar SSDs

ModelBenchmarkPriceCompare
Mirenta SN-7148 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD9,496$239Compare
Caldera SN-9090 Core 500GB PCIe 4.0 NVMe M.2 2280 SSD4,843$69Compare
Caldera SN-3912 Pro 2TB PCIe 4.0 NVMe M.2 2230 SSD10,027$229Compare
Novexa SN-7342 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD14,374$539Compare
Novexa SN-3739 Prime 4TB PCIe 5.0 NVMe M.2 2280 SSD11,331$349Compare
Novexa SN-6463 Edge 4TB PCIe 3.0 NVMe M.2 2280 SSD11,626$369Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-6428 Prime 1TB SATA 2.5-inch SSD”, https://vextor7.com/item/120942 (accessed 2026-10-24).