Lenovo / ThinkPad / E Series
ThinkPad E15
ThinkPad E15 is a 15.6-inch notebook in the E Series family.
- Scope
- Product generation / platformPSREF verified
- Machine Type
- 20RD / 20RE
- Model / MTM
- 4989Official Models verifiedDirect specifications: 20RD002HJP
Buying and service essentials
Verified in official sourcesCheck before buying
- Model / MTM
- 1 exact specifications recorded4989 Models entries verified
- CPU / GPU
- 10th Generation Intel Core i3 / Core i5 / Core i7 Processor4 CPU options / Intel UHD Graphics / Platform options / dGPU: 2 options (configuration-dependent)
- Display
- 15.6-inch / 1920x10802 platform options / Non-touch
- WWAN
- UnsupportedNot retrofittable
Upgrades and repair
- Memory
- DDR4-2666 / SocketedSO-DIMM: 1 / maximum 16 GB
- Storage
- 2.5" SATA HDD / M.2 2242 SSD / M.2 2280 SSD / Intel Optane Memory M10 / Intel Optane Memory with Solid State Storage, M.2 2280SATA 6Gb/s / PCIe NVMe 3.0 x2 / PCIe NVMe 3.0 x4 / Maximum simultaneous devices 2 device(s)
- Power
- USB-CAC adapter: 45 W / 65 W
- Parts / service
- Not collectedNot collected / Not collected
Motherboard and slot topology
?
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
- DDR4-2666 / Socketed / SO-DIMM: 1
- Storage form factor
- 2.5" SATA HDD / M.2 2242 SSD / M.2 2280 SSD / Intel Optane Memory M10 / Intel Optane Memory with Solid State Storage, M.2 2280
- Maximum simultaneous devices
- 2 device(s)
Specifications
CPU
CPU options for this platform / Intel10th Generation Intel Core i3 / Core i5 / Core i7 Processor
| CPU | Integrated GPU | Cores / threads | Base frequency | Max frequency |
|---|---|---|---|---|
| Intel Core i3-10110UOpen external site in a new tab | Intel UHD Graphics | 2 / 4 | 2.10 GHz | 4.10 GHz |
| Intel Core i5-10210UOpen external site in a new tab | Intel UHD Graphics | 4 / 8 | 1.60 GHz | 4.20 GHz |
| Intel Core i7-10510UOpen external site in a new tab | Intel UHD Graphics | 4 / 8 | 1.80 GHz | 4.90 GHz |
| Intel Core i7-10710UOpen external site in a new tab | Intel UHD Graphics | 6 / 12 | 1.10 GHz | 4.70 GHz |
Graphics / GPU
dGPU options
| GPU | Dedicated memory | Selection conditions |
|---|---|---|
| AMDAMD Radeon 625Open external site in a new tab | 2 GB / GDDR5 | Configuration-dependent |
| AMDAMD Radeon RX 640Open external site in a new tab | 2 GB / GDDR5 | Configuration-dependent |
These are platform configuration options, not the GPU installed in an individual MTM.
Memory
- Type
- DDR4-2666
- Maximum capacity
- 16 GB
- Physical slots
- 1
- Implementation
- DDR4-2666 / Socketed
- Upgrade / replacement
- Not recorded
- Capacity options
- 16 GB
- Configuration constraints
- One DDR4 SO-DIMM slot
- The max memory is based on the test results with current Lenovo memory offerings. The system may support more memory as the technology develops.
Storage
- Interface and form factor
- SATA 6Gb/s / PCIe NVMe 3.0 x2 / PCIe NVMe 3.0 x4
- Supported form factors
- 2.5" SATA HDD
- M.2 2242 SSD
- M.2 2280 SSD
- Intel Optane Memory M10
- Intel Optane Memory with Solid State Storage, M.2 2280
- Physical slots
- Not recorded
- Maximum simultaneous devices
- 2 device(s)
- Upgrade / replacement
- Not recorded
- Configuration constraints / exclusions
- Up to two drives, 1x 2.5" HDD + 1x M.2 SSD • 2.5" HDD up to 2TB • M.2 2242 SSD up to 512GB • M.2 2280 SSD up to 1TB • Optional Intel Optane Memory or Optane Memory Integrated with SSD, M.2
Display
- Size
- 15.6-inch
- Platform configuration options
configuration Resolution Touch Panel / brightness Surface / features FHD TN
15.6-inch1920x1080 Non-touch TN / 220 nits anti-glare FHD IPS
15.6-inch1920x1080 Non-touch IPS / 250 nits anti-glare
Battery architecture
- Architecture
- Internal
- Explicit count
- 1
| Placement | Position | Optional | Chemistry | Cell options | Capacity options |
|---|---|---|---|---|---|
| Internal | Not recorded | Not recorded | Li-Polymer | Not recorded | 45 Wh |
Each row is a platform configuration option. Simultaneous installation is not inferred.
Power and AC adapter
- Connector
- USB-C
- Wattage
- 45 W / 65 W
Wireless and WWAN
- WLAN options
- Realtek RTL8822CE, 802.11ac Dual Band 2x2 Wi-Fi + Bluetooth 5.0, M.2 card
- Intel Wireless-AC 9560, 802.11ac Dual Band 2x2 Wi-Fi + Bluetooth 5.1, M.2 card
- Intel Wi-Fi 6 AX201, 802.11ax 2x2 Wi-Fi + Bluetooth 5.1, M.2 Card
- WWAN
- Unsupported
- Retrofit / conditions
- Not retrofittable
- WWAN options
- No support
- Notes
- PSREF explicitly lists no WWAN support.
Ports and docking
- Ports
- 1x USB 2.0
- 1x USB 3.1 Gen 1
- 1x USB 3.1 Gen 1 (Always On)
- 1x USB-C 3.1 Gen 1 (support data transfer, Power Delivery and DisplayPort)
- 1x HDMI 1.4b
- 1x Ethernet (RJ-45)
- 1x Headphone / microphone combo jack (3.5mm)
- Docking support
- Not recorded
Dimensions and weight
- All models
- 368 × 245 × 18.9 mm
- All models
- 1.9 kg / Varies by configuration
Official maintenance documentation and key procedures
Not collected
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 collectedKATABAN.FYI has not yet collected official Model-listed parts for this product. This is not evidence that no compatible parts exist.
Model / MTM
4989Codes 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
- 4989
- 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 recordedThese 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 / MTM | Machine Type | Region / Country/Region | Processor | Graphics | Memory | Storage | Display | Touchscreen | WLAN / Bluetooth | WWAN | OS | Official evidence |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
20RD002HJP | 20RD | JAPAN / Japan | Intel Core i3-10110U (2C / 4T, 2.1 / 4.1GHz, 4MB) | Integrated Intel UHD Graphics | 1x 8GB SO-DIMM DDR4-2666 | 256GB SSD M.2 2242 PCIe 3.0x2 NVMe | 15.6" FHD (1920x1080) IPS 250nits Anti-glare | None | Intel AX201 11ax, 2x2 + BT5.2 | None | Windows 10 Home 64, Japanese | Lenovo Models |
Evidence
2 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.