Hardware Spec Index

Caldera SN-2947 Ultra 500GB SATA 2.5-inch SSD

SSDs · Caldera · SKU SN2947-ULTRA · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index3,797 (SSDs scale)
Category rank#10,092
Street price$29
Power3 W (active)
Performance per dollar130.93
Released2025

Specifications

BrandCaldera
ModelCaldera SN-2947 Ultra
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, 218-layer
CacheDRAM-less (SLC cache)
Endurance300 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
Altrix SN-4719 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD6,175$99Compare
Altrix SN-2128 Ultra 8TB PCIe 3.0 NVMe M.2 2280 SSD11,765$429Compare
Mirenta SN-5898 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD11,645$339Compare
Novexa SN-6243 Ti 8TB PCIe 5.0 NVMe M.2 2280 SSD14,253$509Compare
Novexa SN-4267 Ti 1TB SATA 2.5-inch SSD3,200$29Compare
Altrix SN-2785 Plus 2TB PCIe 4.0 NVMe M.2 2230 SSD8,447$159Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-2947 Ultra 500GB SATA 2.5-inch SSD”, https://vextor7.com/item/51679541 (accessed 2026-10-19).