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Dell XPS 15 (L521X) compatible upgrades

These upgrades are guaranteed compatible when you order from Crucial.com
compatible memory
memory
compatible ssd
solid state drive

Notes about your system:

Although the memory can be installed one module at a time, the best performance comes from using matched pairs of modules.

Your Dell XPS 15 (L521X)

system specs as shipped

memory

  • Maximum Memory:16GB
  • Slots:2 (2 banks of 1)
*Not to exceed manufacturer supported memory.
what does this mean?
Memory or DRAM is the "working" memory of the computer. It's used to store data for programs (sequences of instructions) on a temporary basis.

storage

  • Storage: SATA 3 - 6Gb/s
what does this mean?
Storage drives -- hard drives and solid state drives -- are the permanent memory for the programs and documents on your computer.

Chipset

  • Chipset: Intel Series 7
what does this mean?
Chipset is a set of integrated circuits that have a specific purpose in a computer system, a group of microchips used together to perform a single task.

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Compatible Memory

11606

Crucial 2GB DDR3L-1600 SODIMM

CT3352188

  • DDR3 PC3-12800 • CL=11 • Unbuffered • NON-ECC • DDR3-1600 • 1.35V •
  • upgrade for Dell XPS 15 (L521X) system.
  • €20.90 inc. VAT*
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11794

Crucial 4GB Kit (2 x 2GB) DDR3L-1600 SODIMM

CT3352189

  • DDR3 PC3-12800 • CL=11 • Unbuffered • NON-ECC • DDR3-1600 • 1.35V •
  • upgrade for Dell XPS 15 (L521X) system.
  • €41.81 inc. VAT*
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Compatible SSDs

1283501

Crucial MX300 1TB SATA 2.5" 7mm (with 9.5mm adapter) Internal SSD

CT8602295

  • 1TB 2.5-inch internal SSD • SATA 6.0Gb/s • 530 MB/s Read, 510 MB/s Write
  • upgrade for Dell XPS 15 (L521X) system.
  • €302.57 inc. VAT*
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1284002

Crucial MX300 2TB SATA 2.5" 7mm (with 9.5mm adapter) Internal SSD

CT8694528

  • 2TB 2.5-inch internal SSD • SATA 6.0Gb/s • 530 MB/s Read, 510 MB/s Write
  • upgrade for Dell XPS 15 (L521X) system.
  • €573.17 inc. VAT*
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