Lexar 16GB DDR5 5600 UDIMM – LD5U16G56C46ST-BGS, 288-Pin Desktop RAM, CL46, 1.1V, On-Die ECC, Plug-and-Play DDR5

The Lexar 16GB DDR5 5600 UDIMM is a single 16GB DDR5 desktop memory module from Lexar, part number LD5U16G56C46ST-BGS. It is a full-size 288-pin unbuffered DIMM rated at 5600 MT/s with CL46-45-45-90 timings and 1.1 V, with on-die ECC built into its DDR5 chips. It is made for desktop PCs with DDR5 slots, from office towers to home gaming builds. It is in stock in the UAE and ships from Totot.

What makes the Lexar 16GB DDR5 5600 UDIMM a practical desktop upgrade

Many pre-built DDR5 desktops leave the factory with a single 8GB or 16GB stick and two or more empty slots. That is enough for email, but modern browsers, Teams calls, game launchers and editing apps quickly push memory use past 16GB. Adding the Lexar 16GB DDR5 5600 UDIMM raises total capacity and, when it is paired with a matching module in the correct slots, lets the system run in dual-channel mode.

Lexar keeps the module simple: no RGB lighting, no tall heat spreader and no overclocking profile listed, just a plug-and-play DDR5 stick that Lexar says brings next-gen DDR5 memory to your computer. A plain low-profile module also clears large tower air coolers that can block taller memory.

Rated speed and timings

Lexar’s specification table gives 5600 MT/s, based on internal testing, with timings of CL46-45-45-90 at 1.1 V. Lexar lists the module under the JESD79-5A DDR5 standard. The Lexar 16GB DDR5 5600 UDIMM is therefore aimed at running at standard settings with no BIOS tuning. If your motherboard or processor officially supports a lower DDR5 speed, such as 4800 MT/s, the memory normally runs at that speed instead.

Lexar also sells a 16GB DDR5-4800 desktop module (LD5DU016G-B4800GSST) with CL40-39-39-76 timings and a 32GB DDR5-5600 module (LD5U32G56C46ST-BGS) in the same family.

On-die ECC and lower power

DDR5 chips include on-die error correction code, and Lexar lists it as a stability feature for the module. It fixes certain bit errors inside each chip before data leaves the chip. It is not the same as full ECC memory used in workstations and servers, which needs ECC modules and platform support. Lexar also points to lower power consumption as a benefit, which helps efficiency and keeps the system cooler.

Builds and PCs it suits

The Lexar 16GB DDR5 5600 UDIMM suits a few common situations. An office tower with 8GB DDR5 gains the headroom for spreadsheets, CRM tools and dozens of browser tabs. A family PC used for homework and casual gaming stops stalling when several apps are open. A budget gaming build that started on one 16GB stick can add a second one to reach 32GB in dual channel. A small home server or media PC with DDR5 slots gets more room for containers and caching.

Lexar tests its memory in the Lexar Quality Labs for performance, compatibility and reliability, according to the product page.

Compatibility checks for the Lexar 16GB DDR5 5600 UDIMM

First, confirm that your motherboard uses DDR5. DDR5 and DDR4 desktop modules both have 288 pins, but the key notch sits in a different place, so a DDR5 stick physically cannot be pushed into a DDR4 board, and the reverse is also true. Second, this is an unbuffered desktop DIMM: it does not fit laptops, which use the shorter SODIMM format, and it is not a registered (RDIMM) server module. Third, check your board’s manual for which slots to fill first for dual channel.

Lexar states it cannot guarantee rated specifications when the module runs alongside other manufacturers’ modules or other kits, so a matched pair of Lexar sticks is the safest path to dual channel.

Fitting the Lexar 16GB DDR5 5600 UDIMM in a desktop

Switch the PC off at the wall and unplug it. Open the side panel, touch the metal case to discharge static, and open the latches on the target slot. Align the notch of the Lexar 16GB DDR5 5600 UDIMM, then press it straight down with both thumbs until the latches snap shut. DDR5 boards often run memory training on the next start-up, so the screen may stay dark for a short while; wait for it to finish. The BIOS or Windows Task Manager then shows the new total.

Who This Is Not For

The Lexar 16GB DDR5 5600 UDIMM is not for laptops or mini PCs that use SODIMM slots, not for DDR4 motherboards, and not for servers that need registered ECC memory. Lexar does not mention XMP or EXPO profiles for this module, so overclockers chasing 6000 MT/s and beyond should look at Lexar’s THOR or ARES gaming lines instead. It has no RGB lighting.

Ordering in the UAE

Totot ships to every emirate, and delivery takes up to 3 business days. Orders of AED 300 or more go out free of delivery charges. If the item is defective or not the one you ordered, return it within 14 days; please tell us about any damage from shipping within 48 hours of delivery. Pay on delivery in cash, or choose Tabby or Tamara.

Browse more RAM (Random Access Memory) at Totot, or see the official Lexar page for full product details.

Technical Specifications

• Product: Lexar DDR5 UDIMM Desktop Memory, 16GB (1 × 16GB)
• Part number: LD5U16G56C46ST-BGS
• Memory type: DDR5
• Form factor: 288-pin UDIMM (desktop, unbuffered)
• Standard: JESD79-5A
• Speed: 5600 MT/s (based on Lexar internal testing)
• Timings: CL46-45-45-90
• Voltage: 1.1 V
• Error correction: On-die ECC
• Module size: 133.35 mm × 31.25 mm
• Operating temperature: 0°C to 85°C (surface)
• Storage temperature: -55°C to 100°C
• RGB / heat spreader: None listed by Lexar
• Warranty: 1-year warranty from Totot

FAQ

Will the Lexar 16GB DDR5 5600 UDIMM fit my laptop?

No. It is a full-size desktop UDIMM; laptops use the shorter SODIMM format.

Can I install it on a DDR4 motherboard?

No. DDR5 and DDR4 desktop modules have their notch in different places and are not interchangeable.

Does it have XMP or EXPO?

No. Lexar does not list an XMP or EXPO profile; it is rated at 5600 MT/s, CL46-45-45-90, 1.1 V.

Will it run at 5600 MT/s on every DDR5 PC?

No. It runs at the speed your motherboard and processor support; on a platform limited to 4800 MT/s it normally runs at 4800.

How do I get 32GB with the Lexar 16GB DDR5 5600 UDIMM?

2 matching modules give 32GB in dual channel. Lexar also sells a single 32GB DDR5-5600 module, part LD5U32G56C46ST-BGS.

Is it ECC server memory?

No. It has on-die ECC inside the DDR5 chips but is an unbuffered desktop module, not registered ECC server memory.