asus laptop featured image

ASUS ExpertBook B5 B5402CBA — RAM, SSD & Charger Compatibility Guide (2022)

ASUS ASUS ExpertBook B5 B5402CBA (2022) Specifications

The ASUS ASUS ExpertBook B5 B5402CBA (2022) is a professional-grade business laptop for enterprise users. This guide covers RAM, SSD, charger compatibility, and upgrade paths for this model. For a comprehensive overview of all ASUS upgradeable models, visit the ASUS Laptop Upgrades hub.

ComponentSpecification
ProcessorIntel Core i7-1260P
RAMDDR5, 2 slots (upgradeable)
Max RAM48GB
StorageM.2 2280 NVMe PCIe Gen4, 1 slot
Charger65W USB-C
Ports2x Thunderbolt 4, 1x USB 3.2, 1x HDMI 2.0, 1x RJ45
Display14.0″ IPS
Weight1.34 kg (2.95 lbs)

Memory Upgrade Path

High-performance DDR5 RGB RAM module
High-performance DDR5 RGB RAM module

The ASUS ExpertBook B5 B5402CBA features 2 SO-DIMM slots for DDR5 RAM, allowing upgrades up to 48GB. Both slots are user-accessible, and the upgrade process is straightforward.

Recommended DDR5 RAM Upgrades:

  • Corsair Vengeance DDR5 SO-DIMM — Premium DDR5 laptop memory with excellent compatibility.
  • Kingston Fury Impact DDR5 SO-DIMM — High-performance DDR5 with solid heat dissipation.
  • Crucial DDR5 SO-DIMM — Budget-friendly DDR5 with proven stability.

Storage Expansion

M.2 NVMe SSD solid state drive
M.2 NVMe SSD solid state drive

The ASUS ExpertBook B5 B5402CBA uses a standard M.2 2280 NVMe SSD with a NVMe PCIe Gen4 interface. The single M.2 slot supports drives up to 2TB.

Recommended M.2 2280 SSDs:

  • Samsung 990 Pro NVMe 2280 — Flagship NVMe SSD with exceptional speeds.
  • WD Black SN850X 2280 — High-performance NVMe with excellent sustained writes.
  • Crucial P5 Plus NVMe 2280 — Excellent value NVMe with strong real-world performance.

Power Delivery & Charging

The ASUS ExpertBook B5 B5402CBA uses a 65W USB-C charger. This is compatible with any USB-C PD charger of equal or higher wattage from brands like Anker, Ugreen, or the original ASUS charger.

Compatible USB-C PD Chargers:

  • Anker 65W USB-C PD Charger — Compact GaN charger with multiple ports.
  • Ugreen USB-C PD Charger (65W+) — Affordable universal charger with fast charging.
  • INIU USB-C PD Fast Charger — Budget option with reliable performance.

Port & Docking Capabilities

Connectivity: 2x Thunderbolt 4, 1x USB 3.2, 1x HDMI 2.0, 1x RJ45

The Thunderbolt 4 ports provide fast external storage and high-bandwidth peripherals. Consider a Thunderbolt dock like the CalDigit TS4 or Belkin Thunderbolt 4 Dock Pro for desktop expansion.


Upgrade Difficulty & Tools Required

The ASUS ExpertBook B5 B5402CBA has a difficulty rating of 3/5 for upgrades (5 = easiest). The upgrade process is moderate — requires careful handling of bottom panel clips.

Tools needed:

  • Phillips screwdriver (M2.5 or similar)
  • Plastic spudger or pry tool (for bottom panel clips)
  • ESD wrist strap (optional but recommended)

We recommend backing up your data and consulting the official service manual before opening the chassis.


Frequently Asked Questions

Can I upgrade the RAM in the ASUS ASUS ExpertBook B5 B5402CBA?

Yes, the ASUS ExpertBook B5 B5402CBA has 2 SO-DIMM slots for user-upgradeable DDR5 memory, supporting up to 48GB.

What is the maximum RAM for the ASUS ExpertBook B5 B5402CBA?

The ASUS ExpertBook B5 B5402CBA supports up to 48GB of DDR5 memory.

Can I add a second SSD to the ASUS ExpertBook B5 B5402CBA?

The ASUS ExpertBook B5 B5402CBA has 1 M.2 slot. You can replace the existing SSD with a larger drive.

Can I use any USB-C charger with the ASUS ExpertBook B5 B5402CBA?

Yes, any USB-C Power Delivery charger rated for 65W or higher will work with the ASUS ExpertBook B5 B5402CBA.

Is the ASUS ExpertBook B5 B5402CBA easy to upgrade?

The ASUS ExpertBook B5 B5402CBA has a difficulty rating of 3/5. Some care needed with bottom panel clips.


Recommended Products

These are the products we recommend based on this guide. All links go to Amazon UK where you can check current prices and availability.

ProductWhy We Recommend ItAmazon UK
Corsair Vengeance DDR5 SO-DIMMPremium DDR5 laptop memory with excellent compatibility.View on Amazon UK
Kingston Fury Impact DDR5 SO-DIMMHigh-performance DDR5 with solid heat dissipation.View on Amazon UK
Crucial DDR5 SO-DIMMBudget-friendly DDR5 with proven stability.View on Amazon UK
Samsung 990 Pro NVMe 2280Flagship NVMe SSD with exceptional speeds.View on Amazon UK
WD Black SN850X 2280High-performance NVMe with excellent sustained writes.View on Amazon UK
Crucial P5 Plus NVMe 2280Excellent value NVMe with strong real-world performance.View on Amazon UK
Anker 65W USB-C PD ChargerCompact GaN charger for USB-C laptops.View on Amazon UK
Ugreen 65W USB-C PD ChargerAffordable universal USB-C charger.View on Amazon UK

Prices and availability may vary. As an Amazon Associate, we earn from qualifying purchases.

Related ASUS Upgrade Guides

Not sure what fits? Use our free Compatibility Checker covering 3,195+ models.

Helpful Guides

💰 Compare PricesShop around for the best deal on ASUS laptop upgrades
Affiliate disclosure: We may earn a commission from purchases made through these links at no extra cost to you.

Recommended 2TB SSDs

Samsung 990 PRO 2 TB M.2 PCI Express 4.0 NVMe V-NAND MLC

Samsung

Samsung 990 PRO 2 TB M.2 PCI Express 4.0 NVMe V-NAND MLC

£352.50

View Deal
Crucial P310 2 TB M.2 PCI Express 4.0 NVMe

Crucial

Crucial P310 2 TB M.2 PCI Express 4.0 NVMe

£275.93

View Deal
Crucial T710 2 TB M.2 PCI Express 5.0 NVMe

Crucial

Crucial T710 2 TB M.2 PCI Express 5.0 NVMe

£366.06

View Deal
Crucial E100 2 TB M.2 PCI Express 4.0 NVMe

Crucial

Crucial E100 2 TB M.2 PCI Express 4.0 NVMe

£243.78

View Deal
Western Digital WDS100T3X0G 2 TB M.2 PCI Express 4.0 NVMe 3D TLC NAND

Western Digital

Western Digital WDS100T3X0G 2 TB M.2 PCI Express 4.0 NVMe 3D TLC NAND

£554.15

View Deal
Samsung 9100 PRO PCIe® 5.0 NVMe™ M.2 SSD - 2 TB

Samsung

Samsung 9100 PRO PCIe® 5.0 NVMe™ M.2 SSD - 2 TB

£408.44

View Deal

Leave a Comment

Your email address will not be published. Required fields are marked *

Not sure what fits? Check your exact model Use the Compatibility Checker →