Hardware Spec Index

Caldera SN-6981 Plus 500GB SATA 2.5-inch SSD

SSDs · Caldera · SKU SN6981-PLUS · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index4,268 (SSDs scale)
Category rank#42,889
Street price$39
Power3 W (active)
Performance per dollar109.44
Released2021

Specifications

BrandCaldera
ModelCaldera SN-6981 Plus
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 TLC, 232-layer
CacheDRAM-less (SLC cache)
Endurance300 TBW (0.55 DWPD)
Warranty3 years
HeatsinkHeatsink edition available

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
Altrix SN-1132 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD5,233$69Compare
Altrix SN-7450 Max 500GB SATA 2.5-inch SSD4,033$49Compare
Caldera SN-7397 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD13,572$479Compare
Strivon SN-1872 Core 1TB PCIe 4.0 NVMe M.2 2280 SSD9,045$239Compare
Caldera SN-2784 Pro 8TB PCIe 5.0 NVMe M.2 2280 SSD12,167$479Compare
Altrix SN-3507 Core 4TB PCIe 5.0 NVMe M.2 2280 SSD14,900$599Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-6981 Plus 500GB SATA 2.5-inch SSD”, https://vextor7.com/item/654428 (accessed 2026-10-20).