Hardware Spec Index

Caldera SN-4989 Plus 500GB SATA 2.5-inch SSD

SSDs · Caldera · SKU SN4989-PLUS · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index3,472 (SSDs scale)
Category rank#48,062
Street price$39
Power3 W (active)
Performance per dollar89.03
Released2019

Specifications

BrandCaldera
ModelCaldera SN-4989 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 QLC, 176-layer
CacheDRAM-less (SLC cache)
Endurance180 TBW (0.33 DWPD)
Warranty3 years
HeatsinkHeatsink edition available

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Cite this page: Hardware Spec Index, “Caldera SN-4989 Plus 500GB SATA 2.5-inch SSD”, https://vextor7.com/item/7657046 (accessed 2026-10-22).