Hardware Spec Index

Caldera SN-1577 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN1577-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index6,554 (SSDs scale)
Category rank#41,803
Street price$109
Power6 W (active)
Performance per dollar60.13
Released2020

Specifications

BrandCaldera
ModelCaldera SN-1577 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,000 MB/s
Sequential write3,800 MB/s
Random 4K read1,110K IOPS
NAND3D TLC, 176-layer
CacheDRAM-less (HMB)
Endurance600 TBW (0.33 DWPD)
Warranty5 years
HeatsinkNone

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 4.0 vs PCIe 5.0

Similar SSDs

ModelBenchmarkPriceCompare
Altrix SN-1579 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD6,899$139Compare
Strivon SN-5654 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD8,028$139Compare
Caldera SN-2604 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD8,503$169Compare
Strivon SN-7445 XT 500GB PCIe 3.0 NVMe M.2 2280 SSD5,020$59Compare
Caldera SN-1727 Edge 1TB PCIe 4.0 NVMe M.2 2230 SSD9,278$229Compare
Caldera SN-1773 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD9,871$239Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-1577 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/233385 (accessed 2026-10-20).