Hardware Spec Index

Caldera SN-2477 Ultra 500GB SATA 2.5-inch SSD

SSDs · Caldera · SKU SN2477-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index4,480 (SSDs scale)
Category rank#20,124
Street price$49
Power3 W (active)
Performance per dollar91.43
Released2022

Specifications

BrandCaldera
ModelCaldera SN-2477 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 QLC, 238-layer
CacheDRAM-less (SLC cache)
Endurance120 TBW (0.22 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-9012 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD7,535$139Compare
Mirenta SN-5067 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD7,364$139Compare
Novexa SN-1811 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD7,085$129Compare
Strivon SN-5616 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD13,785$549Compare
Strivon SN-7268 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD8,655$209Compare
Caldera SN-8459 Plus 500GB PCIe 4.0 NVMe M.2 2280 SSD6,187$89Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-2477 Ultra 500GB SATA 2.5-inch SSD”, https://vextor7.com/item/20161031 (accessed 2026-10-19).