4 x 8GB = 32GB

Tested and Working. Taken from a Dell Optiplex 5040 SFF Desktop.

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PC3L-12800U-11-13-B1 is a specific type of 8GBDDR3L desktop memory. The "L" indicates it is a low-voltagemodule, and it runs at a speed of 1600 MHz

Key technical specifications for this RAM include:

• Memory Type: DDR3L (Backward compatible with standard 1.5V DDR3)
• Speed: 1600 MHz (PC3-12800)
• Capacity: 8GB per module
• Form Factor: 240-pin DIMM (Standard Desktop size)
• CAS Latency: CL11
• Rank: 2Rx8 (Dual Rank)
• Voltage: 1.35V (Low Voltage)

PC3L-12800U-11-13-B1 RAM is compatible with desktopmotherboards that support DDR3 or DDR3L non-ECC unbuffered memory.

Because this is regular consumer desktop memory, it workswith a specific generation of computer hardware, typically manufactured between2011 and 2016.

Compatible Processor Generations

• Intel: Core i3, i5, and i7 processors from the 2nd Generation (Sandy Bridge) through the 5th Generation (Broadwell), as well as some 6th Generation (Skylake) motherboards that explicitly use DDR3.
• AMD: Systems using the AM3, AM3+, FM1, and FM2+ sockets (such as FX-series, Phenom II, and A-series APUs).

Motherboard & Form Factor Compatibility

• Desktop PCs Only: This is a full-sized 240-pin DIMM. It will not fit in laptops, which require smaller SO-DIMM modules.
• Standard DDR3 Slots: The "L" means it is Low Voltage (1.35V). However, it is dual-voltage and backward compatible. It will work safely in older 1.5V standard DDR3 motherboard slots.