Hardware Spec Index

Caldera SN-6646 Edge 1TB SATA 2.5-inch SSD

SSDs · Caldera · SKU SN6646-EDGE · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index3,485 (SSDs scale)
Category rank#24,506
Street price$29
Power3 W (active)
Performance per dollar120.17
Released2020

Specifications

BrandCaldera
ModelCaldera SN-6646 Edge
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 QLC, 218-layer
CacheDRAM-less (SLC cache)
Endurance360 TBW (0.33 DWPD)
Warranty3 years
HeatsinkNone

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Cite this page: Hardware Spec Index, “Caldera SN-6646 Edge 1TB SATA 2.5-inch SSD”, https://vextor7.com/item/94898013 (accessed 2026-10-22).