Hardware Spec Index

Caldera SN-3666 XT 500GB SATA 2.5-inch SSD

SSDs · Caldera · SKU SN3666-XT · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index3,369 (SSDs scale)
Category rank#17,371
Street price$29
Power3 W (active)
Performance per dollar116.17
Released2022

Specifications

BrandCaldera
ModelCaldera SN-3666 XT
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, 218-layer
CacheDRAM-less (SLC cache)
Endurance180 TBW (0.33 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-4750 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD14,471$529Compare
Novexa SN-4820 Core 4TB PCIe 5.0 NVMe M.2 2280 SSD14,160$599Compare
Altrix SN-3194 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD6,036$79Compare
Caldera SN-6081 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD12,005$389Compare
Caldera SN-2560 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD8,928$209Compare
Altrix SN-5682 Prime 500GB PCIe 3.0 NVMe M.2 2280 SSD4,682$59Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-3666 XT 500GB SATA 2.5-inch SSD”, https://vextor7.com/item/5689148 (accessed 2026-10-24).