Lexar 512GB Professional DIAMOND CFexpress 4.0 Type B card delivers industry-leading speeds up to 3700MB/s read and 3400MB/s write with ultra-high 3200MB/s sustained performance. Built for 8K RAW video and advanced production workflows, it features PCIe 4.0 and pSLC technology for maximum reliability.
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Lexar 512GB Professional DIAMOND CFexpress is engineered for elite performance and demanding workloads:
This card significantly accelerates post-production workflows and enables faster data transfers compared to older CFexpress generations
Lexar 512GB Professional DIAMOND CFexpress is designed to eliminate dropped frames even in extreme recording conditions.
Lexar 512GB Professional DIAMOND CFexpress is built with rugged durability and tested for real-world professional environments
| Attribute | ||||
|---|---|---|---|---|
| Interface | PCIe 4.0 | PCIe 4.0 | PCIe 4.0 | PCIe 3.0 |
| Max Read | 3700MB/s | 3600MB/s | ~3400MB/s | 1700MB/s |
| Max Write | 3400MB/s | 3300MB/s | ~3000MB/s | 1400MB/s |
| Sustained Write | 3200MB/s | 3000MB/s | ~1500–2000MB/s | ~800MB/s |
| Video Rating | VPG400 | VPG400 | VPG400 | VPG400 |
| Technology | pSLC | TLC | TLC | TLC |
| Best Use | Cinema RAW / 8K | High-end production | Hybrid creators | Budget pro users |
Yes, with 3200MB/s sustained write speed, it is designed for cinema-grade 8K RAW recording.
It uses PCIe 4.0 + pSLC technology, delivering higher speeds and endurance than standard CFexpress cards.
pSLC improves durability, lifespan, and reliability compared to traditional NAND flash.
It guarantees stable video recording performance with minimum sustained speeds required for professional workflows.
Yes, it works with CFexpress Type B devices, but speeds depend on camera capability.
Yes, it supports ultra-fast continuous shooting without buffering.
Looking for more storage or alternatives?
Lexar SSD and RAM are at the core of making your system feel fast and reliable, while SD and microSD cards and USB drives handle everyday storage and transfers. At FGTech, we focus on the Lexar products that matter most for laptops, desktops, and everyday data use in India.
Every Lexar product you see here is genuine, backed by the official Lexar warranty and a GST invoice. If you are upgrading an old laptop, building a gaming PC, or need dependable storage for work and studies, this page will help you choose the right Lexar SSD, RAM kit or card and plug it into your setup.
Lexar DDR4 and DDR5 RAM modules are a straightforward way to remove lag when you multitask. They follow standard JEDEC specs, so they work with most common boards as long as you match the right generation.
Lexar DDR4 8 GB / 16 GB 3200 MHz: Ideal for: Office PCs and budget gaming systems that struggle once you open several apps and browser tabs.
Lexar DDR5 16 GB / 32 GB: Ideal for: Newer Intel and AMD platforms where you want stable, non‑gimmicky RAM from a storage‑focused brand.
Lexar DDR4 8 GB / 16 GB 3200 MHz SODIMM: Ideal for: Laptops that shipped with 4 GB or 8 GB and feel slow even after you add an SSD.
Lexar SD and microSD cards are also available at FGTech, which can be used in laptops with card slots, drones, action cameras, dashcams, and NVRs.
Best for: Cameras, drones, phones, tablets and laptops where you record or move files but do not write to the card constantly all day.
What to check: Capacity (64 GB, 128 GB, 256 GB and above) and speed class (U1/U3, V30 or higher for 4K video).
Continuous recording in a dashcam or security system wears cards faster than normal use. Lexar high‑endurance versions are built for this.
Designed for: Dashcams, NVRs, IP cameras and video recorders that write 24/7 or on a tight loop.
Rated by: Terabytes Written (TBW), which tells you how much recording the card can handle over its life, not just speed.
Recommendation: For always‑on recording, choose a Lexar high‑endurance card. For occasional shooting or travel footage, a standard Lexar card is fine.
Start by checking what your system supports:
Laptop or desktop with an M.2 PCIe slot → choose a Lexar NVMe SSD.
Laptop or desktop with only a 2.5-inch bay → choose a Lexar SATA SSD.
Desktop with both: use NVMe for the system drive and SATA for extra storage.
If you are not sure what slot you have, share your laptop or motherboard model with the FGTech team, and we will confirm before you buy.
240/256 GB: Basic work, browsing, a few key apps.
480/512 GB: Everyday use plus some games and media.
960 GB / 1 TB: Gaming libraries and creator workflows.
2 TB: Large local storage when you do not want to rely only on the cloud.
NVMe uses PCIe lanes and can be several times faster than SATA in real transfers. You feel this in game load times, large file copies and overall system responsiveness.
SATA SSDs are still a huge upgrade over mechanical hard drives and usually cost less per GB, especially for 1 TB and 2 TB sizes.
If your system supports NVMe, make a Lexar NVMe SSD your main drive.
If your system only supports 2.5 inch SATA, a Lexar SATA SSD is the correct and safe upgrade, and it still feels dramatically faster than an HDD.
A simple rule you can even copy into banners: “If your laptop supports NVMe, pick a Lexar NVMe SSD. If it doesn’t, a Lexar SATA SSD will still make it feel new.”
Lexar has a long history in flash storage, formerly part of Micron, and makes reliable SSDs, RAM, and memory cards that follow standard specifications.
Lexar was a part of Micron, one of the world's biggest DRAM and NAND makers, before becoming an independent brand. Its SSDs and memory cards are widely used worldwide, and its RAM modules follow standard specifications, so compatibility and reliability are in line with other mainstream brands.
8 GB: Basic browsing, office work, light study use.
16 GB: Smooth everyday experience plus gaming and light editing.
32 GB and up: Heavy multitasking, virtual machines, and serious creative workloads.
If your laptop still has only 4 GB or 8 GB and feels slow after an SSD upgrade, a Lexar RAM upgrade often makes the single biggest difference.
If your laptop supports NVMe, pick NVMe. If it only supports SATA, a SATA SSD still makes it feel dramatically faster than an HDD.
Look up your laptop model on the manufacturer's site and check the storage section, or simply share the model with FGTech support on WhatsApp. We will tell you whether a Lexar NVMe SSD or a Lexar SATA SSD is the safer choice before you buy.
Lexar SSDs, RAM, and memory cards are part of FGTech's complete memory and storage solutions₹ lineup, which also includes drives from WD, Seagate, Toshiba, and Netac. For SSD comparison across brands at FGTech, see NVMe SSDs at FGTech.
For memory card options alongside Lexar, see memory cards at FGTech.
| Specification | Details |
|---|---|
| Model Number | LCXEXD4512G-RNENG |
| Capacity | 512GB |
| Form Factor | CFexpress 4.0 Type B |
| Interface | PCIe 4.0 |
| Read Speed | Up to 3700MB/s |
| Write Speed | Up to 3400MB/s |
| Sustained Write Speed | 3200MB/s |
| Speed Class | VPG400 |
| Operating Temperature | –12°C to 72°C |
| Storage Temperature | –25°C to 85°C |
| Dimensions (W × L × H) | 2.96 × 3.85 × 0.38 cm |
| Weight | 0.00765 kg |
| Durability | Temperature-proof, Vibration-resistant (10–2000Hz), Dust-proof (IP5X), 5-meter drop-proof, Shock resistant (1500G), 12,000× wear-out resistance, 70N compression resistance |
| Warranty | Limited lifetime warranty |
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