Lenovo / ThinkPad / L Series

ThinkPad L15 Gen 1 (AMD) is a 15.6-inch notebook in the L Series family.

Scope
Product generation / platformPSREF verified
Machine Type
20U7 / 20U8
Model / MTM
4555Official Models verifiedDirect specifications: 20U7000AJP
Search Japan marketplaces for ThinkPad L15 Gen 1 (AMD)Amazon JapanOpen external site in a new tabRakuten Ichiba (Japan)Open external site in a new tabYahoo! Shopping (Japan)Open external site in a new tabMercari (Japan)Open external site in a new tabYahoo! Auctions (Japan)Open external site in a new tabExternal sitesPR

Buying and service essentials

Verified in official sources

Check before buying

Model / MTM
1 exact specifications recorded4555 Models entries verified
CPU / GPU
AMD Ryzen 3 / Ryzen 5 / Ryzen 75 CPU options / AMD Radeon Graphics / Platform options / integrated GPU only
Display
15.6-inch / 1366x768 / 1920x10803 platform options / Non-touch / Multi-touch
WWAN
Configuration-dependentRetrofit conditions apply

Upgrades and repair

Memory
DDR4-3200 / SocketedSO-DIMM: 2 / maximum 64 GB
Storage
M.2 2242 PCIe NVMe SSD / M.2 2280 PCIe NVMe SSDPCIe NVMe 3.0 x4 / Maximum simultaneous devices 1 device(s)
Power
USB-CAC adapter: 45 W / 65 W
Parts / service
Not collectedHMM verified / Key procedures verified

Motherboard and slot topology

Evidence confidence: not recorded
?

Shows the strength of the supporting evidence. It is not a performance score or recommendation. Full sources appear in the Evidence section below.

Memory implementation
DDR4-3200 / Socketed / SO-DIMM: 2
Storage form factor
M.2 2242 PCIe NVMe SSD / M.2 2280 PCIe NVMe SSD
Maximum simultaneous devices
1 device(s)

Specifications

CPU

Evidence confidence: high

CPU options for this platform / AMDAMD Ryzen 3 / Ryzen 5 / Ryzen 7

CPUIntegrated GPUCores / threadsBase frequencyMax frequency
AMD Ryzen 3 4300UOpen external site in a new tabAMD Radeon Graphics4 / 42.70 GHz3.70 GHz
AMD Ryzen 3 PRO 4450UOpen external site in a new tabAMD Radeon Graphics4 / 82.50 GHz3.70 GHz
AMD Ryzen 5 4500UOpen external site in a new tabAMD Radeon Graphics6 / 62.30 GHz4.00 GHz
AMD Ryzen 5 PRO 4650UOpen external site in a new tabAMD Radeon Graphics6 / 122.10 GHz4.00 GHz
AMD Ryzen 7 PRO 4750UOpen external site in a new tabAMD Radeon Graphics8 / 161.70 GHz4.10 GHz

Memory

Evidence confidence: high
Type
DDR4-3200
Maximum capacity
64 GB
Physical slots
2
Implementation
DDR4-3200 / Socketed
Upgrade / replacement
Not recorded
Configuration constraints
  • Two DDR4 SO-DIMM slots; dual-channel capable
Search Japan marketplaces for DDR4-3200Amazon JapanOpen external site in a new tabRakuten Ichiba (Japan)Open external site in a new tabYahoo! Shopping (Japan)Open external site in a new tabMercari (Japan)Open external site in a new tabYahoo! Auctions (Japan)Open external site in a new tabExternal sitesPR

Storage

Evidence confidence: high
Interface and form factor
PCIe NVMe 3.0 x4
Supported form factors
  • M.2 2242 PCIe NVMe SSD
  • M.2 2280 PCIe NVMe SSD
Physical slots
Not recorded
Maximum simultaneous devices
1 device(s)
Upgrade / replacement
Not recorded
Configuration constraints / exclusions
  • The PSREF explicitly states support for one drive; M.2 2242 and M.2 2280 are alternative supported formats and do not prove multiple physical slots.

Display

Evidence confidence: high
Size
15.6-inch
Platform configuration options
configurationResolutionTouchPanel / brightnessSurface / features
HD TN
15.6-inch
1366x768Non-touchTN / 220 nitsanti-glare
FHD IPS
15.6-inch
1920x1080Non-touchIPS / 250 nitsanti-glare
FHD IPS touch
15.6-inch
1920x1080Multi-touchIPS / 300 nitsanti-glare

Battery architecture

Evidence confidence: high
Architecture
Internal
Explicit count
1
Chemistry
Li-Polymer
Capacity
45 Wh

Each row is a platform configuration option. Simultaneous installation is not inferred.

Power and AC adapter

Evidence confidence: high
Connector
USB-C
Wattage
45 W / 65 W

Wireless and WWAN

Evidence confidence: high
WLAN options
  • Wi-Fi 6 802.11ax 2x2 with Bluetooth 5.1
  • MediaTek Wi-Fi 6 MT7921 with Bluetooth 5.1
  • Realtek Wi-Fi 6 RTL8852AE with Bluetooth 5.1
  • Intel Wi-Fi 6 AX200 with Bluetooth 5.1
  • No WLAN and Bluetooth
WWAN
Configuration-dependent
Retrofit / conditions
Retrofit conditions apply
WWAN options
  • Wireless WAN upgradable to 4G with antenna ready
  • Fibocom L850-GL 4G LTE CAT9
  • No support
Notes
Non-WWAN models are not WWAN-upgradable.

Ports and docking

Evidence confidence: high
Ports
  • Two USB 3.2 Gen 1 Type-A including one Always On
  • USB-C 3.2 Gen 1 with Power Delivery and DisplayPort 1.2
  • USB-C 3.2 Gen 2 with Power Delivery and DisplayPort 1.2
  • HDMI 1.4b
  • Ethernet RJ-45
  • MicroSD card reader
  • Optional smart card reader
  • Optional nano-SIM card slot on WWAN models
Docking support
  • Physical connector: Side docking connector
  • USB-C docking support

Dimensions and weight

Evidence confidence: high
All models; dimensions vary by configuration
366.5 × 250 × 21 mm
Platform starting weight
1.98 kg / Starting weight

Official maintenance documentation and key procedures

Key procedures

Keyboard
p.75–76
Base cover
p.76–77
Memory
p.79–80
SSD / storage
p.81–83
Built-in battery
p.88–89
Display assembly
p.106–110

Part number information

Part numbers and their relationships to this product or model are shown when verified in official Lenovo sources.

Official Model-listed parts

Not collected

KATABAN.FYI has not yet collected official Model-listed parts for this product. This is not evidence that no compatible parts exist.

Model / MTM

4555

Codes listed in Lenovo Models identify a relationship to this product. They do not establish exact CPU, memory, storage or other configuration details.

Model / MTM codes verified in official sources
4555
Exact configuration data
1

Enter a code to search the official Lenovo Models data for this product.

    Model / MTM with recorded exact specifications

    Exact specifications recorded

    These are sold configurations listed in Lenovo Models. They are not serial-number or as-built configurations. Each value comes directly from the applicable Model / MTM row.

    Model / MTMMachine TypeRegion / Country/RegionProcessorGraphicsMemoryStorageDisplayTouchscreenWLAN / BluetoothWWANOSOfficial evidence
    20U7000AJP20U7JAPAN / JapanAMD Ryzen 3 PRO 4450U (4C / 8T, 2.5 / 3.7GHz, 2MB L2 / 4MB L3)Integrated AMD Radeon Graphics1x 4GB SO-DIMM DDR4-3200256GB SSD M.2 2280 PCIe 3.0x4 NVMe Opal215.6" HD (1366x768) TN 220nits Anti-glareNoneIntel AX200 11ax, 2x2 + BT5.2NoneWindows 10 Pro 64, JapaneseLenovo Models

    Evidence

    3 sources. Of 12 product claims, 12 are verified with high confidence.This page covers PSREF platform information and identifiers listed in Lenovo Models. Exact MTM specifications and parts relationships have not been collected. Procedure coverage in official maintenance documentation is audited per product for major components.