Hardware Spec Index

Caldera SN-6647 Pro 500GB SATA 2.5-inch SSD

SSDs · Caldera · SKU SN6647-PRO · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index3,608 (SSDs scale)
Category rank#13,299
Street price$29
Power3 W (active)
Performance per dollar124.41
Released2022

Specifications

BrandCaldera
ModelCaldera SN-6647 Pro
Capacity500 GB
Form factor2.5" SATA (7 mm)
InterfaceSATA 6 Gb/s (AHCI)
Sequential read550 MB/s
Sequential write520 MB/s
Random 4K read98K IOPS
NAND3D QLC, 176-layer
CacheDRAM-less (SLC cache)
Endurance100 TBW (0.18 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
Caldera SN-6250 Ti 500GB SATA 2.5-inch SSD3,845$29Compare
Caldera SN-6078 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD7,444$129Compare
Caldera SN-5823 SE 8TB PCIe 4.0 NVMe M.2 2280 SSD14,900$519Compare
Novexa SN-7240 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD9,357$239Compare
Mirenta SN-3321 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD4,897$69Compare
Strivon SN-8118 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD7,934$179Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-6647 Pro 500GB SATA 2.5-inch SSD”, https://vextor7.com/item/72324205 (accessed 2026-10-24).